Home / 320,342.12-442,073.86-175,148.36

Finding the Fourth Proportional to 320,342.12, 442,073.86 and 175,148.36

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Solution

The fourth proportional to 320,342.12, 442,073.86 and 175,148.36 is: 241,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,342.12 : 442,073.86 = 175,148.36 : x
  2. Step 2: Convert to fraction form
    320,342.12/442,073.86 = 175,148.36/x
  3. Step 3: Cross multiply
    320,342.12x = 442,073.86 × 175,148.36
  4. Step 4: Simplify right side
    320,342.12x = 77,428,511,577.87
  5. Step 5: Solve for x
    x = 77,428,511,577.87/320,342.12
  6. Step 6: Final answer
    x = 241,705.69

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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.