Home / 435,824.20-653,606.70-169,431.40

Finding the Fourth Proportional to 435,824.20, 653,606.70 and 169,431.40

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Solution

The fourth proportional to 435,824.20, 653,606.70 and 169,431.40 is: 254,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,824.20 : 653,606.70 = 169,431.40 : x
  2. Step 2: Convert to fraction form
    435,824.20/653,606.70 = 169,431.40/x
  3. Step 3: Cross multiply
    435,824.20x = 653,606.70 × 169,431.40
  4. Step 4: Simplify right side
    435,824.20x = 110,741,498,230.38
  5. Step 5: Solve for x
    x = 110,741,498,230.38/435,824.20
  6. Step 6: Final answer
    x = 254,096.72

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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.