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Finding the Fourth Proportional to 225,080.40, 337,409.40 and 84,933.20

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Solution

The fourth proportional to 225,080.40, 337,409.40 and 84,933.20 is: 127,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,080.40 : 337,409.40 = 84,933.20 : x
  2. Step 2: Convert to fraction form
    225,080.40/337,409.40 = 84,933.20/x
  3. Step 3: Cross multiply
    225,080.40x = 337,409.40 × 84,933.20
  4. Step 4: Simplify right side
    225,080.40x = 28,657,260,052.08
  5. Step 5: Solve for x
    x = 28,657,260,052.08/225,080.40
  6. Step 6: Final answer
    x = 127,320.10

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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.