Home / 289,084.64-433,519.20-99,492.02

Finding the Fourth Proportional to 289,084.64, 433,519.20 and 99,492.02

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Solution

The fourth proportional to 289,084.64, 433,519.20 and 99,492.02 is: 149,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,084.64 : 433,519.20 = 99,492.02 : x
  2. Step 2: Convert to fraction form
    289,084.64/433,519.20 = 99,492.02/x
  3. Step 3: Cross multiply
    289,084.64x = 433,519.20 × 99,492.02
  4. Step 4: Simplify right side
    289,084.64x = 43,131,700,916.78
  5. Step 5: Solve for x
    x = 43,131,700,916.78/289,084.64
  6. Step 6: Final answer
    x = 149,200.94

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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.