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Finding the Fourth Proportional to 270,666.70, 406,000.05 and 83,697.10

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Solution

The fourth proportional to 270,666.70, 406,000.05 and 83,697.10 is: 125,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,666.70 : 406,000.05 = 83,697.10 : x
  2. Step 2: Convert to fraction form
    270,666.70/406,000.05 = 83,697.10/x
  3. Step 3: Cross multiply
    270,666.70x = 406,000.05 × 83,697.10
  4. Step 4: Simplify right side
    270,666.70x = 33,981,026,784.86
  5. Step 5: Solve for x
    x = 33,981,026,784.86/270,666.70
  6. Step 6: Final answer
    x = 125,545.65

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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.