Home / 389,437.20-584,253-108,952.02

Finding the Fourth Proportional to 389,437.20, 584,253 and 108,952.02

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Solution

The fourth proportional to 389,437.20, 584,253 and 108,952.02 is: 163,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,437.20 : 584,253 = 108,952.02 : x
  2. Step 2: Convert to fraction form
    389,437.20/584,253 = 108,952.02/x
  3. Step 3: Cross multiply
    389,437.20x = 584,253 × 108,952.02
  4. Step 4: Simplify right side
    389,437.20x = 63,655,544,541.06
  5. Step 5: Solve for x
    x = 63,655,544,541.06/389,437.20
  6. Step 6: Final answer
    x = 163,455.22

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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.