Home / 289,217.64-433,841.82-89,675.88

Finding the Fourth Proportional to 289,217.64, 433,841.82 and 89,675.88

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Solution

The fourth proportional to 289,217.64, 433,841.82 and 89,675.88 is: 134,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,217.64 : 433,841.82 = 89,675.88 : x
  2. Step 2: Convert to fraction form
    289,217.64/433,841.82 = 89,675.88/x
  3. Step 3: Cross multiply
    289,217.64x = 433,841.82 × 89,675.88
  4. Step 4: Simplify right side
    289,217.64x = 38,905,146,989.30
  5. Step 5: Solve for x
    x = 38,905,146,989.30/289,217.64
  6. Step 6: Final answer
    x = 134,518.58

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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.