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Finding the Fourth Proportional to 240,159.71, 360,233.35 and 78,052.86

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Solution

The fourth proportional to 240,159.71, 360,233.35 and 78,052.86 is: 117,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,159.71 : 360,233.35 = 78,052.86 : x
  2. Step 2: Convert to fraction form
    240,159.71/360,233.35 = 78,052.86/x
  3. Step 3: Cross multiply
    240,159.71x = 360,233.35 × 78,052.86
  4. Step 4: Simplify right side
    240,159.71x = 28,117,243,039.75
  5. Step 5: Solve for x
    x = 28,117,243,039.75/240,159.71
  6. Step 6: Final answer
    x = 117,077.27

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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.