Home / 279,002.07-385,027.02-151,677.36

Finding the Fourth Proportional to 279,002.07, 385,027.02 and 151,677.36

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Solution

The fourth proportional to 279,002.07, 385,027.02 and 151,677.36 is: 209,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,002.07 : 385,027.02 = 151,677.36 : x
  2. Step 2: Convert to fraction form
    279,002.07/385,027.02 = 151,677.36/x
  3. Step 3: Cross multiply
    279,002.07x = 385,027.02 × 151,677.36
  4. Step 4: Simplify right side
    279,002.07x = 58,399,881,922.27
  5. Step 5: Solve for x
    x = 58,399,881,922.27/279,002.07
  6. Step 6: Final answer
    x = 209,317.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.