Home / 438,966.91-658,435.44-186,084.72

Finding the Fourth Proportional to 438,966.91, 658,435.44 and 186,084.72

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Solution

The fourth proportional to 438,966.91, 658,435.44 and 186,084.72 is: 279,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,966.91 : 658,435.44 = 186,084.72 : x
  2. Step 2: Convert to fraction form
    438,966.91/658,435.44 = 186,084.72/x
  3. Step 3: Cross multiply
    438,966.91x = 658,435.44 × 186,084.72
  4. Step 4: Simplify right side
    438,966.91x = 122,524,774,490.48
  5. Step 5: Solve for x
    x = 122,524,774,490.48/438,966.91
  6. Step 6: Final answer
    x = 279,120.75

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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.