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Finding the Fourth Proportional to 302,282.40, 453,715.20 and 152,691.60

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Solution

The fourth proportional to 302,282.40, 453,715.20 and 152,691.60 is: 229,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,282.40 : 453,715.20 = 152,691.60 : x
  2. Step 2: Convert to fraction form
    302,282.40/453,715.20 = 152,691.60/x
  3. Step 3: Cross multiply
    302,282.40x = 453,715.20 × 152,691.60
  4. Step 4: Simplify right side
    302,282.40x = 69,278,499,832.32
  5. Step 5: Solve for x
    x = 69,278,499,832.32/302,282.40
  6. Step 6: Final answer
    x = 229,184.70

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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.