Home / 288,087.20-432,001.20-110,535.20

Finding the Fourth Proportional to 288,087.20, 432,001.20 and 110,535.20

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Solution

The fourth proportional to 288,087.20, 432,001.20 and 110,535.20 is: 165,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,087.20 : 432,001.20 = 110,535.20 : x
  2. Step 2: Convert to fraction form
    288,087.20/432,001.20 = 110,535.20/x
  3. Step 3: Cross multiply
    288,087.20x = 432,001.20 × 110,535.20
  4. Step 4: Simplify right side
    288,087.20x = 47,751,339,042.24
  5. Step 5: Solve for x
    x = 47,751,339,042.24/288,087.20
  6. Step 6: Final answer
    x = 165,753.07

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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.