Home / 289,238.19-433,869.84-89,562.39

Finding the Fourth Proportional to 289,238.19, 433,869.84 and 89,562.39

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Solution

The fourth proportional to 289,238.19, 433,869.84 and 89,562.39 is: 134,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,238.19 : 433,869.84 = 89,562.39 : x
  2. Step 2: Convert to fraction form
    289,238.19/433,869.84 = 89,562.39/x
  3. Step 3: Cross multiply
    289,238.19x = 433,869.84 × 89,562.39
  4. Step 4: Simplify right side
    289,238.19x = 38,858,419,819.32
  5. Step 5: Solve for x
    x = 38,858,419,819.32/289,238.19
  6. Step 6: Final answer
    x = 134,347.47

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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.