Home / 282,326.20-423,489.30-260,456.20

Finding the Fourth Proportional to 282,326.20, 423,489.30 and 260,456.20

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Solution

The fourth proportional to 282,326.20, 423,489.30 and 260,456.20 is: 390,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,326.20 : 423,489.30 = 260,456.20 : x
  2. Step 2: Convert to fraction form
    282,326.20/423,489.30 = 260,456.20/x
  3. Step 3: Cross multiply
    282,326.20x = 423,489.30 × 260,456.20
  4. Step 4: Simplify right side
    282,326.20x = 110,300,413,818.66
  5. Step 5: Solve for x
    x = 110,300,413,818.66/282,326.20
  6. Step 6: Final answer
    x = 390,684.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.