Home / 403,751.12-557,001.47-240,315.98

Finding the Fourth Proportional to 403,751.12, 557,001.47 and 240,315.98

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Solution

The fourth proportional to 403,751.12, 557,001.47 and 240,315.98 is: 331,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,751.12 : 557,001.47 = 240,315.98 : x
  2. Step 2: Convert to fraction form
    403,751.12/557,001.47 = 240,315.98/x
  3. Step 3: Cross multiply
    403,751.12x = 557,001.47 × 240,315.98
  4. Step 4: Simplify right side
    403,751.12x = 133,856,352,698.97
  5. Step 5: Solve for x
    x = 133,856,352,698.97/403,751.12
  6. Step 6: Final answer
    x = 331,531.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.