Home / 435,415.57-653,372.09-169,141.43

Finding the Fourth Proportional to 435,415.57, 653,372.09 and 169,141.43

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Solution

The fourth proportional to 435,415.57, 653,372.09 and 169,141.43 is: 253,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,415.57 : 653,372.09 = 169,141.43 : x
  2. Step 2: Convert to fraction form
    435,415.57/653,372.09 = 169,141.43/x
  3. Step 3: Cross multiply
    435,415.57x = 653,372.09 × 169,141.43
  4. Step 4: Simplify right side
    435,415.57x = 110,512,289,624.69
  5. Step 5: Solve for x
    x = 110,512,289,624.69/435,415.57
  6. Step 6: Final answer
    x = 253,808.77

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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.