Home / 461,634.40-692,505.60-146,123.20

Finding the Fourth Proportional to 461,634.40, 692,505.60 and 146,123.20

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Solution

The fourth proportional to 461,634.40, 692,505.60 and 146,123.20 is: 219,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,634.40 : 692,505.60 = 146,123.20 : x
  2. Step 2: Convert to fraction form
    461,634.40/692,505.60 = 146,123.20/x
  3. Step 3: Cross multiply
    461,634.40x = 692,505.60 × 146,123.20
  4. Step 4: Simplify right side
    461,634.40x = 101,191,134,289.92
  5. Step 5: Solve for x
    x = 101,191,134,289.92/461,634.40
  6. Step 6: Final answer
    x = 219,201.89

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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.