Home / 289,330.30-433,581.88-162,704.75

Finding the Fourth Proportional to 289,330.30, 433,581.88 and 162,704.75

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Solution

The fourth proportional to 289,330.30, 433,581.88 and 162,704.75 is: 243,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,330.30 : 433,581.88 = 162,704.75 : x
  2. Step 2: Convert to fraction form
    289,330.30/433,581.88 = 162,704.75/x
  3. Step 3: Cross multiply
    289,330.30x = 433,581.88 × 162,704.75
  4. Step 4: Simplify right side
    289,330.30x = 70,545,829,222.02
  5. Step 5: Solve for x
    x = 70,545,829,222.02/289,330.30
  6. Step 6: Final answer
    x = 243,824.55

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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.