Home / 388,966.50-583,548.21-108,483.75

Finding the Fourth Proportional to 388,966.50, 583,548.21 and 108,483.75

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Solution

The fourth proportional to 388,966.50, 583,548.21 and 108,483.75 is: 162,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,966.50 : 583,548.21 = 108,483.75 : x
  2. Step 2: Convert to fraction form
    388,966.50/583,548.21 = 108,483.75/x
  3. Step 3: Cross multiply
    388,966.50x = 583,548.21 × 108,483.75
  4. Step 4: Simplify right side
    388,966.50x = 63,305,498,126.59
  5. Step 5: Solve for x
    x = 63,305,498,126.59/388,966.50
  6. Step 6: Final answer
    x = 162,753.09

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1.5x scale

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.