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Finding the Fourth Proportional to 534,243.12, 801,494.28 and 160,266.12

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Solution

The fourth proportional to 534,243.12, 801,494.28 and 160,266.12 is: 240,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,243.12 : 801,494.28 = 160,266.12 : x
  2. Step 2: Convert to fraction form
    534,243.12/801,494.28 = 160,266.12/x
  3. Step 3: Cross multiply
    534,243.12x = 801,494.28 × 160,266.12
  4. Step 4: Simplify right side
    534,243.12x = 128,452,378,457.79
  5. Step 5: Solve for x
    x = 128,452,378,457.79/534,243.12
  6. Step 6: Final answer
    x = 240,438.06

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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.