Home / 288,834.16-433,211.16-89,161.12

Finding the Fourth Proportional to 288,834.16, 433,211.16 and 89,161.12

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Solution

The fourth proportional to 288,834.16, 433,211.16 and 89,161.12 is: 133,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,834.16 : 433,211.16 = 89,161.12 : x
  2. Step 2: Convert to fraction form
    288,834.16/433,211.16 = 89,161.12/x
  3. Step 3: Cross multiply
    288,834.16x = 433,211.16 × 89,161.12
  4. Step 4: Simplify right side
    288,834.16x = 38,625,592,222.10
  5. Step 5: Solve for x
    x = 38,625,592,222.10/288,834.16
  6. Step 6: Final answer
    x = 133,729.31

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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.