Home / 371,770.32-513,044.64-202,005.12

Finding the Fourth Proportional to 371,770.32, 513,044.64 and 202,005.12

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Solution

The fourth proportional to 371,770.32, 513,044.64 and 202,005.12 is: 278,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,770.32 : 513,044.64 = 202,005.12 : x
  2. Step 2: Convert to fraction form
    371,770.32/513,044.64 = 202,005.12/x
  3. Step 3: Cross multiply
    371,770.32x = 513,044.64 × 202,005.12
  4. Step 4: Simplify right side
    371,770.32x = 103,637,644,068.56
  5. Step 5: Solve for x
    x = 103,637,644,068.56/371,770.32
  6. Step 6: Final answer
    x = 278,767.93

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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.