Home / 252,005.40-377,489.70-127,416.60

Finding the Fourth Proportional to 252,005.40, 377,489.70 and 127,416.60

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Solution

The fourth proportional to 252,005.40, 377,489.70 and 127,416.60 is: 190,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,005.40 : 377,489.70 = 127,416.60 : x
  2. Step 2: Convert to fraction form
    252,005.40/377,489.70 = 127,416.60/x
  3. Step 3: Cross multiply
    252,005.40x = 377,489.70 × 127,416.60
  4. Step 4: Simplify right side
    252,005.40x = 48,098,454,109.02
  5. Step 5: Solve for x
    x = 48,098,454,109.02/252,005.40
  6. Step 6: Final answer
    x = 190,862.79

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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.