Home / 320,729.96-442,657.03-182,909.18

Finding the Fourth Proportional to 320,729.96, 442,657.03 and 182,909.18

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Solution

The fourth proportional to 320,729.96, 442,657.03 and 182,909.18 is: 252,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,729.96 : 442,657.03 = 182,909.18 : x
  2. Step 2: Convert to fraction form
    320,729.96/442,657.03 = 182,909.18/x
  3. Step 3: Cross multiply
    320,729.96x = 442,657.03 × 182,909.18
  4. Step 4: Simplify right side
    320,729.96x = 80,966,032,322.73
  5. Step 5: Solve for x
    x = 80,966,032,322.73/320,729.96
  6. Step 6: Final answer
    x = 252,443.00

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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.