Home / 320,569.12-442,342.06-182,765.82

Finding the Fourth Proportional to 320,569.12, 442,342.06 and 182,765.82

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Solution

The fourth proportional to 320,569.12, 442,342.06 and 182,765.82 is: 252,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,569.12 : 442,342.06 = 182,765.82 : x
  2. Step 2: Convert to fraction form
    320,569.12/442,342.06 = 182,765.82/x
  3. Step 3: Cross multiply
    320,569.12x = 442,342.06 × 182,765.82
  4. Step 4: Simplify right side
    320,569.12x = 80,845,012,146.47
  5. Step 5: Solve for x
    x = 80,845,012,146.47/320,569.12
  6. Step 6: Final answer
    x = 252,192.14

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1.5x scale

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.