Home / 289,077.20-433,507.92-99,484.52

Finding the Fourth Proportional to 289,077.20, 433,507.92 and 99,484.52

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Solution

The fourth proportional to 289,077.20, 433,507.92 and 99,484.52 is: 149,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,077.20 : 433,507.92 = 99,484.52 : x
  2. Step 2: Convert to fraction form
    289,077.20/433,507.92 = 99,484.52/x
  3. Step 3: Cross multiply
    289,077.20x = 433,507.92 × 99,484.52
  4. Step 4: Simplify right side
    289,077.20x = 43,127,327,337.40
  5. Step 5: Solve for x
    x = 43,127,327,337.40/289,077.20
  6. Step 6: Final answer
    x = 149,189.65

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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.