Home / 438,787.14-658,050.30-186,063.90

Finding the Fourth Proportional to 438,787.14, 658,050.30 and 186,063.90

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Solution

The fourth proportional to 438,787.14, 658,050.30 and 186,063.90 is: 279,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,787.14 : 658,050.30 = 186,063.90 : x
  2. Step 2: Convert to fraction form
    438,787.14/658,050.30 = 186,063.90/x
  3. Step 3: Cross multiply
    438,787.14x = 658,050.30 × 186,063.90
  4. Step 4: Simplify right side
    438,787.14x = 122,439,405,214.17
  5. Step 5: Solve for x
    x = 122,439,405,214.17/438,787.14
  6. Step 6: Final answer
    x = 279,040.55

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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.