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Finding the Fourth Proportional to 572,152.30, 858,228.45 and 151,470.70

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Solution

The fourth proportional to 572,152.30, 858,228.45 and 151,470.70 is: 227,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,152.30 : 858,228.45 = 151,470.70 : x
  2. Step 2: Convert to fraction form
    572,152.30/858,228.45 = 151,470.70/x
  3. Step 3: Cross multiply
    572,152.30x = 858,228.45 × 151,470.70
  4. Step 4: Simplify right side
    572,152.30x = 129,996,464,081.42
  5. Step 5: Solve for x
    x = 129,996,464,081.42/572,152.30
  6. Step 6: Final answer
    x = 227,206.05

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Similar ratio
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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.