Home / 371,837.85-513,136.17-202,071.93

Finding the Fourth Proportional to 371,837.85, 513,136.17 and 202,071.93

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Solution

The fourth proportional to 371,837.85, 513,136.17 and 202,071.93 is: 278,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,837.85 : 513,136.17 = 202,071.93 : x
  2. Step 2: Convert to fraction form
    371,837.85/513,136.17 = 202,071.93/x
  3. Step 3: Cross multiply
    371,837.85x = 513,136.17 × 202,071.93
  4. Step 4: Simplify right side
    371,837.85x = 103,690,416,224.71
  5. Step 5: Solve for x
    x = 103,690,416,224.71/371,837.85
  6. Step 6: Final answer
    x = 278,859.23

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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.