Home / 286,769.46-430,211.60-160,589.13

Finding the Fourth Proportional to 286,769.46, 430,211.60 and 160,589.13

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Solution

The fourth proportional to 286,769.46, 430,211.60 and 160,589.13 is: 240,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,769.46 : 430,211.60 = 160,589.13 : x
  2. Step 2: Convert to fraction form
    286,769.46/430,211.60 = 160,589.13/x
  3. Step 3: Cross multiply
    286,769.46x = 430,211.60 × 160,589.13
  4. Step 4: Simplify right side
    286,769.46x = 69,087,308,069.13
  5. Step 5: Solve for x
    x = 69,087,308,069.13/286,769.46
  6. Step 6: Final answer
    x = 240,915.85

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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.