Home / 461,938.60-693,005.10-146,427.40

Finding the Fourth Proportional to 461,938.60, 693,005.10 and 146,427.40

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Solution

The fourth proportional to 461,938.60, 693,005.10 and 146,427.40 is: 219,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,938.60 : 693,005.10 = 146,427.40 : x
  2. Step 2: Convert to fraction form
    461,938.60/693,005.10 = 146,427.40/x
  3. Step 3: Cross multiply
    461,938.60x = 693,005.10 × 146,427.40
  4. Step 4: Simplify right side
    461,938.60x = 101,474,934,979.74
  5. Step 5: Solve for x
    x = 101,474,934,979.74/461,938.60
  6. Step 6: Final answer
    x = 219,671.91

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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.