Home / 376,083.20-563,829.46-257,394.71

Finding the Fourth Proportional to 376,083.20, 563,829.46 and 257,394.71

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Solution

The fourth proportional to 376,083.20, 563,829.46 and 257,394.71 is: 385,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,083.20 : 563,829.46 = 257,394.71 : x
  2. Step 2: Convert to fraction form
    376,083.20/563,829.46 = 257,394.71/x
  3. Step 3: Cross multiply
    376,083.20x = 563,829.46 × 257,394.71
  4. Step 4: Simplify right side
    376,083.20x = 145,126,721,112.24
  5. Step 5: Solve for x
    x = 145,126,721,112.24/376,083.20
  6. Step 6: Final answer
    x = 385,889.93

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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.