Home / 388,934.16-583,499.65-108,451.41

Finding the Fourth Proportional to 388,934.16, 583,499.65 and 108,451.41

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Solution

The fourth proportional to 388,934.16, 583,499.65 and 108,451.41 is: 162,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,934.16 : 583,499.65 = 108,451.41 : x
  2. Step 2: Convert to fraction form
    388,934.16/583,499.65 = 108,451.41/x
  3. Step 3: Cross multiply
    388,934.16x = 583,499.65 × 108,451.41
  4. Step 4: Simplify right side
    388,934.16x = 63,281,357,521.10
  5. Step 5: Solve for x
    x = 63,281,357,521.10/388,934.16
  6. Step 6: Final answer
    x = 162,704.55

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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.