Home / 247,670.60-341,789.40-140,237.76

Finding the Fourth Proportional to 247,670.60, 341,789.40 and 140,237.76

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Solution

The fourth proportional to 247,670.60, 341,789.40 and 140,237.76 is: 193,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,670.60 : 341,789.40 = 140,237.76 : x
  2. Step 2: Convert to fraction form
    247,670.60/341,789.40 = 140,237.76/x
  3. Step 3: Cross multiply
    247,670.60x = 341,789.40 × 140,237.76
  4. Step 4: Simplify right side
    247,670.60x = 47,931,779,847.74
  5. Step 5: Solve for x
    x = 47,931,779,847.74/247,670.60
  6. Step 6: Final answer
    x = 193,530.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.