Home / 499,124.71-688,792.08-269,682.06

Finding the Fourth Proportional to 499,124.71, 688,792.08 and 269,682.06

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Solution

The fourth proportional to 499,124.71, 688,792.08 and 269,682.06 is: 372,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,124.71 : 688,792.08 = 269,682.06 : x
  2. Step 2: Convert to fraction form
    499,124.71/688,792.08 = 269,682.06/x
  3. Step 3: Cross multiply
    499,124.71x = 688,792.08 × 269,682.06
  4. Step 4: Simplify right side
    499,124.71x = 185,754,866,007.43
  5. Step 5: Solve for x
    x = 185,754,866,007.43/499,124.71
  6. Step 6: Final answer
    x = 372,161.23

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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.