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Finding the Fourth Proportional to 239,159.60, 330,063.54 and 178,625.16

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Solution

The fourth proportional to 239,159.60, 330,063.54 and 178,625.16 is: 246,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,159.60 : 330,063.54 = 178,625.16 : x
  2. Step 2: Convert to fraction form
    239,159.60/330,063.54 = 178,625.16/x
  3. Step 3: Cross multiply
    239,159.60x = 330,063.54 × 178,625.16
  4. Step 4: Simplify right side
    239,159.60x = 58,957,652,642.67
  5. Step 5: Solve for x
    x = 58,957,652,642.67/239,159.60
  6. Step 6: Final answer
    x = 246,520.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.