Home / 369,439.32-554,217.30-120,063

Finding the Fourth Proportional to 369,439.32, 554,217.30 and 120,063

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Solution

The fourth proportional to 369,439.32, 554,217.30 and 120,063 is: 180,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,439.32 : 554,217.30 = 120,063 : x
  2. Step 2: Convert to fraction form
    369,439.32/554,217.30 = 120,063/x
  3. Step 3: Cross multiply
    369,439.32x = 554,217.30 × 120,063
  4. Step 4: Simplify right side
    369,439.32x = 66,540,991,689.90
  5. Step 5: Solve for x
    x = 66,540,991,689.90/369,439.32
  6. Step 6: Final answer
    x = 180,113.45

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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.