Home / 546,721.43-819,988.69-147,268.78

Finding the Fourth Proportional to 546,721.43, 819,988.69 and 147,268.78

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Solution

The fourth proportional to 546,721.43, 819,988.69 and 147,268.78 is: 220,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,721.43 : 819,988.69 = 147,268.78 : x
  2. Step 2: Convert to fraction form
    546,721.43/819,988.69 = 147,268.78/x
  3. Step 3: Cross multiply
    546,721.43x = 819,988.69 × 147,268.78
  4. Step 4: Simplify right side
    546,721.43x = 120,758,736,667.62
  5. Step 5: Solve for x
    x = 120,758,736,667.62/546,721.43
  6. Step 6: Final answer
    x = 220,878.00

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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.