Home / 289,134.12-433,594.62-99,540.48

Finding the Fourth Proportional to 289,134.12, 433,594.62 and 99,540.48

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Solution

The fourth proportional to 289,134.12, 433,594.62 and 99,540.48 is: 149,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,134.12 : 433,594.62 = 99,540.48 : x
  2. Step 2: Convert to fraction form
    289,134.12/433,594.62 = 99,540.48/x
  3. Step 3: Cross multiply
    289,134.12x = 433,594.62 × 99,540.48
  4. Step 4: Simplify right side
    289,134.12x = 43,160,216,600.22
  5. Step 5: Solve for x
    x = 43,160,216,600.22/289,134.12
  6. Step 6: Final answer
    x = 149,274.03

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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.