Home / 254,232,129.60-381,348,194.40-238,926,628.80

Finding the Fourth Proportional to 254,232,129.60, 381,348,194.40 and 238,926,628.80

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Solution

The fourth proportional to 254,232,129.60, 381,348,194.40 and 238,926,628.80 is: 358,389,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232,129.60 : 381,348,194.40 = 238,926,628.80 : x
  2. Step 2: Convert to fraction form
    254,232,129.60/381,348,194.40 = 238,926,628.80/x
  3. Step 3: Cross multiply
    254,232,129.60x = 381,348,194.40 × 238,926,628.80
  4. Step 4: Simplify right side
    254,232,129.60x = 91,114,238,486,959,040
  5. Step 5: Solve for x
    x = 91,114,238,486,959,040/254,232,129.60
  6. Step 6: Final answer
    x = 358,389,943.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.