Home / 295,018.20-442,527.30-261,775.80

Finding the Fourth Proportional to 295,018.20, 442,527.30 and 261,775.80

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Solution

The fourth proportional to 295,018.20, 442,527.30 and 261,775.80 is: 392,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,018.20 : 442,527.30 = 261,775.80 : x
  2. Step 2: Convert to fraction form
    295,018.20/442,527.30 = 261,775.80/x
  3. Step 3: Cross multiply
    295,018.20x = 442,527.30 × 261,775.80
  4. Step 4: Simplify right side
    295,018.20x = 115,842,937,979.34
  5. Step 5: Solve for x
    x = 115,842,937,979.34/295,018.20
  6. Step 6: Final answer
    x = 392,663.70

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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.