Home / 398,666.98-598,394.13-174,182.36

Finding the Fourth Proportional to 398,666.98, 598,394.13 and 174,182.36

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Solution

The fourth proportional to 398,666.98, 598,394.13 and 174,182.36 is: 261,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,666.98 : 598,394.13 = 174,182.36 : x
  2. Step 2: Convert to fraction form
    398,666.98/598,394.13 = 174,182.36/x
  3. Step 3: Cross multiply
    398,666.98x = 598,394.13 × 174,182.36
  4. Step 4: Simplify right side
    398,666.98x = 104,229,702,335.85
  5. Step 5: Solve for x
    x = 104,229,702,335.85/398,666.98
  6. Step 6: Final answer
    x = 261,445.54

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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.