Home / 388,942.50-583,512.12-108,459.84

Finding the Fourth Proportional to 388,942.50, 583,512.12 and 108,459.84

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Solution

The fourth proportional to 388,942.50, 583,512.12 and 108,459.84 is: 162,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,942.50 : 583,512.12 = 108,459.84 : x
  2. Step 2: Convert to fraction form
    388,942.50/583,512.12 = 108,459.84/x
  3. Step 3: Cross multiply
    388,942.50x = 583,512.12 × 108,459.84
  4. Step 4: Simplify right side
    388,942.50x = 63,287,631,173.26
  5. Step 5: Solve for x
    x = 63,287,631,173.26/388,942.50
  6. Step 6: Final answer
    x = 162,717.19

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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.