Home / 469,919.07-648,489.06-255,059.22

Finding the Fourth Proportional to 469,919.07, 648,489.06 and 255,059.22

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Solution

The fourth proportional to 469,919.07, 648,489.06 and 255,059.22 is: 351,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,919.07 : 648,489.06 = 255,059.22 : x
  2. Step 2: Convert to fraction form
    469,919.07/648,489.06 = 255,059.22/x
  3. Step 3: Cross multiply
    469,919.07x = 648,489.06 × 255,059.22
  4. Step 4: Simplify right side
    469,919.07x = 165,403,113,822.13
  5. Step 5: Solve for x
    x = 165,403,113,822.13/469,919.07
  6. Step 6: Final answer
    x = 351,982.13

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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.