Home / 469,913.10-648,478.43-255,053.15

Finding the Fourth Proportional to 469,913.10, 648,478.43 and 255,053.15

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Solution

The fourth proportional to 469,913.10, 648,478.43 and 255,053.15 is: 351,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,913.10 : 648,478.43 = 255,053.15 : x
  2. Step 2: Convert to fraction form
    469,913.10/648,478.43 = 255,053.15/x
  3. Step 3: Cross multiply
    469,913.10x = 648,478.43 × 255,053.15
  4. Step 4: Simplify right side
    469,913.10x = 165,396,466,278.56
  5. Step 5: Solve for x
    x = 165,396,466,278.56/469,913.10
  6. Step 6: Final answer
    x = 351,972.45

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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.