Home / 371,768.81-513,044.10-202,002.93

Finding the Fourth Proportional to 371,768.81, 513,044.10 and 202,002.93

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Solution

The fourth proportional to 371,768.81, 513,044.10 and 202,002.93 is: 278,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,768.81 : 513,044.10 = 202,002.93 : x
  2. Step 2: Convert to fraction form
    371,768.81/513,044.10 = 202,002.93/x
  3. Step 3: Cross multiply
    371,768.81x = 513,044.10 × 202,002.93
  4. Step 4: Simplify right side
    371,768.81x = 103,636,411,419.21
  5. Step 5: Solve for x
    x = 103,636,411,419.21/371,768.81
  6. Step 6: Final answer
    x = 278,765.75

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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.