Home / 534,905.85-802,395.23-170,138.55

Finding the Fourth Proportional to 534,905.85, 802,395.23 and 170,138.55

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Solution

The fourth proportional to 534,905.85, 802,395.23 and 170,138.55 is: 255,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,905.85 : 802,395.23 = 170,138.55 : x
  2. Step 2: Convert to fraction form
    534,905.85/802,395.23 = 170,138.55/x
  3. Step 3: Cross multiply
    534,905.85x = 802,395.23 × 170,138.55
  4. Step 4: Simplify right side
    534,905.85x = 136,518,360,108.42
  5. Step 5: Solve for x
    x = 136,518,360,108.42/534,905.85
  6. Step 6: Final answer
    x = 255,219.42

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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.