Home / 289,018.19-433,568.67-89,354.04

Finding the Fourth Proportional to 289,018.19, 433,568.67 and 89,354.04

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Solution

The fourth proportional to 289,018.19, 433,568.67 and 89,354.04 is: 134,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,018.19 : 433,568.67 = 89,354.04 : x
  2. Step 2: Convert to fraction form
    289,018.19/433,568.67 = 89,354.04/x
  3. Step 3: Cross multiply
    289,018.19x = 433,568.67 × 89,354.04
  4. Step 4: Simplify right side
    289,018.19x = 38,741,110,320.97
  5. Step 5: Solve for x
    x = 38,741,110,320.97/289,018.19
  6. Step 6: Final answer
    x = 134,043.85

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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.