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Finding the Fourth Proportional to 397,000.60, 595,500.90 and 160,221.40

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Solution

The fourth proportional to 397,000.60, 595,500.90 and 160,221.40 is: 240,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,000.60 : 595,500.90 = 160,221.40 : x
  2. Step 2: Convert to fraction form
    397,000.60/595,500.90 = 160,221.40/x
  3. Step 3: Cross multiply
    397,000.60x = 595,500.90 × 160,221.40
  4. Step 4: Simplify right side
    397,000.60x = 95,411,987,899.26
  5. Step 5: Solve for x
    x = 95,411,987,899.26/397,000.60
  6. Step 6: Final answer
    x = 240,332.10

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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.