Home / 247,595.60-371,418-89,836.35

Finding the Fourth Proportional to 247,595.60, 371,418 and 89,836.35

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Solution

The fourth proportional to 247,595.60, 371,418 and 89,836.35 is: 134,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,595.60 : 371,418 = 89,836.35 : x
  2. Step 2: Convert to fraction form
    247,595.60/371,418 = 89,836.35/x
  3. Step 3: Cross multiply
    247,595.60x = 371,418 × 89,836.35
  4. Step 4: Simplify right side
    247,595.60x = 33,366,837,444.30
  5. Step 5: Solve for x
    x = 33,366,837,444.30/247,595.60
  6. Step 6: Final answer
    x = 134,763.45

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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.