Home / 388,716.30-583,333.65-178,245.90

Finding the Fourth Proportional to 388,716.30, 583,333.65 and 178,245.90

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Solution

The fourth proportional to 388,716.30, 583,333.65 and 178,245.90 is: 267,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,716.30 : 583,333.65 = 178,245.90 : x
  2. Step 2: Convert to fraction form
    388,716.30/583,333.65 = 178,245.90/x
  3. Step 3: Cross multiply
    388,716.30x = 583,333.65 × 178,245.90
  4. Step 4: Simplify right side
    388,716.30x = 103,976,831,444.54
  5. Step 5: Solve for x
    x = 103,976,831,444.54/388,716.30
  6. Step 6: Final answer
    x = 267,487.71

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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.