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Finding the Fourth Proportional to 247,077.60, 370,623.60 and 89,278.08

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Solution

The fourth proportional to 247,077.60, 370,623.60 and 89,278.08 is: 133,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,077.60 : 370,623.60 = 89,278.08 : x
  2. Step 2: Convert to fraction form
    247,077.60/370,623.60 = 89,278.08/x
  3. Step 3: Cross multiply
    247,077.60x = 370,623.60 × 89,278.08
  4. Step 4: Simplify right side
    247,077.60x = 33,088,563,410.69
  5. Step 5: Solve for x
    x = 33,088,563,410.69/247,077.60
  6. Step 6: Final answer
    x = 133,919.72

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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.