Home / 247,619.60-371,429.40-89,853.20

Finding the Fourth Proportional to 247,619.60, 371,429.40 and 89,853.20

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Solution

The fourth proportional to 247,619.60, 371,429.40 and 89,853.20 is: 134,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,619.60 : 371,429.40 = 89,853.20 : x
  2. Step 2: Convert to fraction form
    247,619.60/371,429.40 = 89,853.20/x
  3. Step 3: Cross multiply
    247,619.60x = 371,429.40 × 89,853.20
  4. Step 4: Simplify right side
    247,619.60x = 33,374,120,164.08
  5. Step 5: Solve for x
    x = 33,374,120,164.08/247,619.60
  6. Step 6: Final answer
    x = 134,779.80

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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.