Home / 515,250.72-772,862.16-230,864.04

Finding the Fourth Proportional to 515,250.72, 772,862.16 and 230,864.04

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Solution

The fourth proportional to 515,250.72, 772,862.16 and 230,864.04 is: 346,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,250.72 : 772,862.16 = 230,864.04 : x
  2. Step 2: Convert to fraction form
    515,250.72/772,862.16 = 230,864.04/x
  3. Step 3: Cross multiply
    515,250.72x = 772,862.16 × 230,864.04
  4. Step 4: Simplify right side
    515,250.72x = 178,426,080,620.73
  5. Step 5: Solve for x
    x = 178,426,080,620.73/515,250.72
  6. Step 6: Final answer
    x = 346,289.82

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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.