Home / 288,854.76-433,323.18-89,191.56

Finding the Fourth Proportional to 288,854.76, 433,323.18 and 89,191.56

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Solution

The fourth proportional to 288,854.76, 433,323.18 and 89,191.56 is: 133,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,854.76 : 433,323.18 = 89,191.56 : x
  2. Step 2: Convert to fraction form
    288,854.76/433,323.18 = 89,191.56/x
  3. Step 3: Cross multiply
    288,854.76x = 433,323.18 × 89,191.56
  4. Step 4: Simplify right side
    288,854.76x = 38,648,770,408.36
  5. Step 5: Solve for x
    x = 38,648,770,408.36/288,854.76
  6. Step 6: Final answer
    x = 133,800.01

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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.