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Finding the Fourth Proportional to 247,130.92, 370,811.58 and 147,287.08

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Solution

The fourth proportional to 247,130.92, 370,811.58 and 147,287.08 is: 220,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,130.92 : 370,811.58 = 147,287.08 : x
  2. Step 2: Convert to fraction form
    247,130.92/370,811.58 = 147,287.08/x
  3. Step 3: Cross multiply
    247,130.92x = 370,811.58 × 147,287.08
  4. Step 4: Simplify right side
    247,130.92x = 54,615,754,848.39
  5. Step 5: Solve for x
    x = 54,615,754,848.39/247,130.92
  6. Step 6: Final answer
    x = 220,999.28

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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.