Home / 389,730.40-584,158.20-165,052.60

Finding the Fourth Proportional to 389,730.40, 584,158.20 and 165,052.60

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Solution

The fourth proportional to 389,730.40, 584,158.20 and 165,052.60 is: 247,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,730.40 : 584,158.20 = 165,052.60 : x
  2. Step 2: Convert to fraction form
    389,730.40/584,158.20 = 165,052.60/x
  3. Step 3: Cross multiply
    389,730.40x = 584,158.20 × 165,052.60
  4. Step 4: Simplify right side
    389,730.40x = 96,416,829,721.32
  5. Step 5: Solve for x
    x = 96,416,829,721.32/389,730.40
  6. Step 6: Final answer
    x = 247,393.66

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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.