Home / 288,535.17-432,835.56-99,009.75

Finding the Fourth Proportional to 288,535.17, 432,835.56 and 99,009.75

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Solution

The fourth proportional to 288,535.17, 432,835.56 and 99,009.75 is: 148,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,535.17 : 432,835.56 = 99,009.75 : x
  2. Step 2: Convert to fraction form
    288,535.17/432,835.56 = 99,009.75/x
  3. Step 3: Cross multiply
    288,535.17x = 432,835.56 × 99,009.75
  4. Step 4: Simplify right side
    288,535.17x = 42,854,940,586.71
  5. Step 5: Solve for x
    x = 42,854,940,586.71/288,535.17
  6. Step 6: Final answer
    x = 148,525.88

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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.