Home / 388,832.28-583,193.04-122,558.18

Finding the Fourth Proportional to 388,832.28, 583,193.04 and 122,558.18

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Solution

The fourth proportional to 388,832.28, 583,193.04 and 122,558.18 is: 183,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,832.28 : 583,193.04 = 122,558.18 : x
  2. Step 2: Convert to fraction form
    388,832.28/583,193.04 = 122,558.18/x
  3. Step 3: Cross multiply
    388,832.28x = 583,193.04 × 122,558.18
  4. Step 4: Simplify right side
    388,832.28x = 71,475,074,655.10
  5. Step 5: Solve for x
    x = 71,475,074,655.10/388,832.28
  6. Step 6: Final answer
    x = 183,819.81

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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.