Home / 219,918.60-329,877.90-167,430.60

Finding the Fourth Proportional to 219,918.60, 329,877.90 and 167,430.60

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Solution

The fourth proportional to 219,918.60, 329,877.90 and 167,430.60 is: 251,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,918.60 : 329,877.90 = 167,430.60 : x
  2. Step 2: Convert to fraction form
    219,918.60/329,877.90 = 167,430.60/x
  3. Step 3: Cross multiply
    219,918.60x = 329,877.90 × 167,430.60
  4. Step 4: Simplify right side
    219,918.60x = 55,231,654,723.74
  5. Step 5: Solve for x
    x = 55,231,654,723.74/219,918.60
  6. Step 6: Final answer
    x = 251,145.90

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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.