Home / 438,730.50-658,095.84-158,247.72

Finding the Fourth Proportional to 438,730.50, 658,095.84 and 158,247.72

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Solution

The fourth proportional to 438,730.50, 658,095.84 and 158,247.72 is: 237,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,730.50 : 658,095.84 = 158,247.72 : x
  2. Step 2: Convert to fraction form
    438,730.50/658,095.84 = 158,247.72/x
  3. Step 3: Cross multiply
    438,730.50x = 658,095.84 × 158,247.72
  4. Step 4: Simplify right side
    438,730.50x = 104,142,166,221.49
  5. Step 5: Solve for x
    x = 104,142,166,221.49/438,730.50
  6. Step 6: Final answer
    x = 237,371.61

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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.