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Finding the Fourth Proportional to 240,704.64, 361,143.36 and 107,573.76

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Solution

The fourth proportional to 240,704.64, 361,143.36 and 107,573.76 is: 161,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,704.64 : 361,143.36 = 107,573.76 : x
  2. Step 2: Convert to fraction form
    240,704.64/361,143.36 = 107,573.76/x
  3. Step 3: Cross multiply
    240,704.64x = 361,143.36 × 107,573.76
  4. Step 4: Simplify right side
    240,704.64x = 38,849,549,134.23
  5. Step 5: Solve for x
    x = 38,849,549,134.23/240,704.64
  6. Step 6: Final answer
    x = 161,399.25

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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.