Home / 384,865.40-576,909.30-174,654.20

Finding the Fourth Proportional to 384,865.40, 576,909.30 and 174,654.20

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Solution

The fourth proportional to 384,865.40, 576,909.30 and 174,654.20 is: 261,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,865.40 : 576,909.30 = 174,654.20 : x
  2. Step 2: Convert to fraction form
    384,865.40/576,909.30 = 174,654.20/x
  3. Step 3: Cross multiply
    384,865.40x = 576,909.30 × 174,654.20
  4. Step 4: Simplify right side
    384,865.40x = 100,759,632,264.06
  5. Step 5: Solve for x
    x = 100,759,632,264.06/384,865.40
  6. Step 6: Final answer
    x = 261,804.86

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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.