Home / 317,965.98-438,817.52-182,042.72

Finding the Fourth Proportional to 317,965.98, 438,817.52 and 182,042.72

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Solution

The fourth proportional to 317,965.98, 438,817.52 and 182,042.72 is: 251,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,965.98 : 438,817.52 = 182,042.72 : x
  2. Step 2: Convert to fraction form
    317,965.98/438,817.52 = 182,042.72/x
  3. Step 3: Cross multiply
    317,965.98x = 438,817.52 × 182,042.72
  4. Step 4: Simplify right side
    317,965.98x = 79,883,533,185.47
  5. Step 5: Solve for x
    x = 79,883,533,185.47/317,965.98
  6. Step 6: Final answer
    x = 251,232.96

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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.