Home / 302,732.20-454,098.30-78,092.20

Finding the Fourth Proportional to 302,732.20, 454,098.30 and 78,092.20

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Solution

The fourth proportional to 302,732.20, 454,098.30 and 78,092.20 is: 117,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,732.20 : 454,098.30 = 78,092.20 : x
  2. Step 2: Convert to fraction form
    302,732.20/454,098.30 = 78,092.20/x
  3. Step 3: Cross multiply
    302,732.20x = 454,098.30 × 78,092.20
  4. Step 4: Simplify right side
    302,732.20x = 35,461,535,263.26
  5. Step 5: Solve for x
    x = 35,461,535,263.26/302,732.20
  6. Step 6: Final answer
    x = 117,138.30

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1.5x scale

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.