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Finding the Fourth Proportional to 253,834.60, 380,752.74 and 64,294.90

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Solution

The fourth proportional to 253,834.60, 380,752.74 and 64,294.90 is: 96,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,834.60 : 380,752.74 = 64,294.90 : x
  2. Step 2: Convert to fraction form
    253,834.60/380,752.74 = 64,294.90/x
  3. Step 3: Cross multiply
    253,834.60x = 380,752.74 × 64,294.90
  4. Step 4: Simplify right side
    253,834.60x = 24,480,459,343.03
  5. Step 5: Solve for x
    x = 24,480,459,343.03/253,834.60
  6. Step 6: Final answer
    x = 96,442.56

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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.