Home / 658,164.60-987,246.90-214,932.60

Finding the Fourth Proportional to 658,164.60, 987,246.90 and 214,932.60

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Solution

The fourth proportional to 658,164.60, 987,246.90 and 214,932.60 is: 322,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,164.60 : 987,246.90 = 214,932.60 : x
  2. Step 2: Convert to fraction form
    658,164.60/987,246.90 = 214,932.60/x
  3. Step 3: Cross multiply
    658,164.60x = 987,246.90 × 214,932.60
  4. Step 4: Simplify right side
    658,164.60x = 212,191,543,058.94
  5. Step 5: Solve for x
    x = 212,191,543,058.94/658,164.60
  6. Step 6: Final answer
    x = 322,398.90

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1.5x scale

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.