Home / 289,170.07-433,685.24-111,563.80

Finding the Fourth Proportional to 289,170.07, 433,685.24 and 111,563.80

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Solution

The fourth proportional to 289,170.07, 433,685.24 and 111,563.80 is: 167,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,170.07 : 433,685.24 = 111,563.80 : x
  2. Step 2: Convert to fraction form
    289,170.07/433,685.24 = 111,563.80/x
  3. Step 3: Cross multiply
    289,170.07x = 433,685.24 × 111,563.80
  4. Step 4: Simplify right side
    289,170.07x = 48,383,572,154.64
  5. Step 5: Solve for x
    x = 48,383,572,154.64/289,170.07
  6. Step 6: Final answer
    x = 167,318.74

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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.