Home / 288,815.04-433,063.96-89,080

Finding the Fourth Proportional to 288,815.04, 433,063.96 and 89,080

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Solution

The fourth proportional to 288,815.04, 433,063.96 and 89,080 is: 133,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,815.04 : 433,063.96 = 89,080 : x
  2. Step 2: Convert to fraction form
    288,815.04/433,063.96 = 89,080/x
  3. Step 3: Cross multiply
    288,815.04x = 433,063.96 × 89,080
  4. Step 4: Simplify right side
    288,815.04x = 38,577,337,556.80
  5. Step 5: Solve for x
    x = 38,577,337,556.80/288,815.04
  6. Step 6: Final answer
    x = 133,571.08

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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.