Home / 236,242.10-354,434.70-84,419.30

Finding the Fourth Proportional to 236,242.10, 354,434.70 and 84,419.30

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Solution

The fourth proportional to 236,242.10, 354,434.70 and 84,419.30 is: 126,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,242.10 : 354,434.70 = 84,419.30 : x
  2. Step 2: Convert to fraction form
    236,242.10/354,434.70 = 84,419.30/x
  3. Step 3: Cross multiply
    236,242.10x = 354,434.70 × 84,419.30
  4. Step 4: Simplify right side
    236,242.10x = 29,921,129,269.71
  5. Step 5: Solve for x
    x = 29,921,129,269.71/236,242.10
  6. Step 6: Final answer
    x = 126,654.52

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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.