Home / 317,726.06-438,352.33-203,071.82

Finding the Fourth Proportional to 317,726.06, 438,352.33 and 203,071.82

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Solution

The fourth proportional to 317,726.06, 438,352.33 and 203,071.82 is: 280,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,726.06 : 438,352.33 = 203,071.82 : x
  2. Step 2: Convert to fraction form
    317,726.06/438,352.33 = 203,071.82/x
  3. Step 3: Cross multiply
    317,726.06x = 438,352.33 × 203,071.82
  4. Step 4: Simplify right side
    317,726.06x = 89,017,005,454.34
  5. Step 5: Solve for x
    x = 89,017,005,454.34/317,726.06
  6. Step 6: Final answer
    x = 280,169.04

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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.