Home / 371,933.64-513,265.95-202,167.77

Finding the Fourth Proportional to 371,933.64, 513,265.95 and 202,167.77

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Solution

The fourth proportional to 371,933.64, 513,265.95 and 202,167.77 is: 278,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,933.64 : 513,265.95 = 202,167.77 : x
  2. Step 2: Convert to fraction form
    371,933.64/513,265.95 = 202,167.77/x
  3. Step 3: Cross multiply
    371,933.64x = 513,265.95 × 202,167.77
  4. Step 4: Simplify right side
    371,933.64x = 103,765,829,962.10
  5. Step 5: Solve for x
    x = 103,765,829,962.10/371,933.64
  6. Step 6: Final answer
    x = 278,990.17

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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.