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Finding the Fourth Proportional to 302,549.80, 453,614.60 and 133,978.27

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Solution

The fourth proportional to 302,549.80, 453,614.60 and 133,978.27 is: 200,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,549.80 : 453,614.60 = 133,978.27 : x
  2. Step 2: Convert to fraction form
    302,549.80/453,614.60 = 133,978.27/x
  3. Step 3: Cross multiply
    302,549.80x = 453,614.60 × 133,978.27
  4. Step 4: Simplify right side
    302,549.80x = 60,774,499,354.74
  5. Step 5: Solve for x
    x = 60,774,499,354.74/302,549.80
  6. Step 6: Final answer
    x = 200,874.37

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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.