Home / 438,740.50-658,110.84-158,257.72

Finding the Fourth Proportional to 438,740.50, 658,110.84 and 158,257.72

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Solution

The fourth proportional to 438,740.50, 658,110.84 and 158,257.72 is: 237,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,740.50 : 658,110.84 = 158,257.72 : x
  2. Step 2: Convert to fraction form
    438,740.50/658,110.84 = 158,257.72/x
  3. Step 3: Cross multiply
    438,740.50x = 658,110.84 × 158,257.72
  4. Step 4: Simplify right side
    438,740.50x = 104,151,121,045.69
  5. Step 5: Solve for x
    x = 104,151,121,045.69/438,740.50
  6. Step 6: Final answer
    x = 237,386.61

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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.