Home / 239,403.60-330,511.86-158,941.04

Finding the Fourth Proportional to 239,403.60, 330,511.86 and 158,941.04

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Solution

The fourth proportional to 239,403.60, 330,511.86 and 158,941.04 is: 219,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,403.60 : 330,511.86 = 158,941.04 : x
  2. Step 2: Convert to fraction form
    239,403.60/330,511.86 = 158,941.04/x
  3. Step 3: Cross multiply
    239,403.60x = 330,511.86 × 158,941.04
  4. Step 4: Simplify right side
    239,403.60x = 52,531,897,108.18
  5. Step 5: Solve for x
    x = 52,531,897,108.18/239,403.60
  6. Step 6: Final answer
    x = 219,428.18

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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.