Home / 435,439.10-653,199.87-169,220.15

Finding the Fourth Proportional to 435,439.10, 653,199.87 and 169,220.15

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Solution

The fourth proportional to 435,439.10, 653,199.87 and 169,220.15 is: 253,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,439.10 : 653,199.87 = 169,220.15 : x
  2. Step 2: Convert to fraction form
    435,439.10/653,199.87 = 169,220.15/x
  3. Step 3: Cross multiply
    435,439.10x = 653,199.87 × 169,220.15
  4. Step 4: Simplify right side
    435,439.10x = 110,534,579,981.38
  5. Step 5: Solve for x
    x = 110,534,579,981.38/435,439.10
  6. Step 6: Final answer
    x = 253,846.24

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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.