Home / 388,922.50-583,482.17-108,439.75

Finding the Fourth Proportional to 388,922.50, 583,482.17 and 108,439.75

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Solution

The fourth proportional to 388,922.50, 583,482.17 and 108,439.75 is: 162,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,922.50 : 583,482.17 = 108,439.75 : x
  2. Step 2: Convert to fraction form
    388,922.50/583,482.17 = 108,439.75/x
  3. Step 3: Cross multiply
    388,922.50x = 583,482.17 × 108,439.75
  4. Step 4: Simplify right side
    388,922.50x = 63,272,660,644.26
  5. Step 5: Solve for x
    x = 63,272,660,644.26/388,922.50
  6. Step 6: Final answer
    x = 162,687.07

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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.