Home / 345,938.60-519,005.10-168,451.40

Finding the Fourth Proportional to 345,938.60, 519,005.10 and 168,451.40

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Solution

The fourth proportional to 345,938.60, 519,005.10 and 168,451.40 is: 252,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,938.60 : 519,005.10 = 168,451.40 : x
  2. Step 2: Convert to fraction form
    345,938.60/519,005.10 = 168,451.40/x
  3. Step 3: Cross multiply
    345,938.60x = 519,005.10 × 168,451.40
  4. Step 4: Simplify right side
    345,938.60x = 87,427,135,702.14
  5. Step 5: Solve for x
    x = 87,427,135,702.14/345,938.60
  6. Step 6: Final answer
    x = 252,724.43

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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.