Home / 499,812.10-749,718.15-144,837.70

Finding the Fourth Proportional to 499,812.10, 749,718.15 and 144,837.70

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Solution

The fourth proportional to 499,812.10, 749,718.15 and 144,837.70 is: 217,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,812.10 : 749,718.15 = 144,837.70 : x
  2. Step 2: Convert to fraction form
    499,812.10/749,718.15 = 144,837.70/x
  3. Step 3: Cross multiply
    499,812.10x = 749,718.15 × 144,837.70
  4. Step 4: Simplify right side
    499,812.10x = 108,587,452,494.26
  5. Step 5: Solve for x
    x = 108,587,452,494.26/499,812.10
  6. Step 6: Final answer
    x = 217,256.55

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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.