Home / 534,910.10-802,401.60-170,142.80

Finding the Fourth Proportional to 534,910.10, 802,401.60 and 170,142.80

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Solution

The fourth proportional to 534,910.10, 802,401.60 and 170,142.80 is: 255,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,910.10 : 802,401.60 = 170,142.80 : x
  2. Step 2: Convert to fraction form
    534,910.10/802,401.60 = 170,142.80/x
  3. Step 3: Cross multiply
    534,910.10x = 802,401.60 × 170,142.80
  4. Step 4: Simplify right side
    534,910.10x = 136,522,854,948.48
  5. Step 5: Solve for x
    x = 136,522,854,948.48/534,910.10
  6. Step 6: Final answer
    x = 255,225.79

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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.