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Finding the Fourth Proportional to 175,281.70, 262,922.55 and 56,956.90

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Solution

The fourth proportional to 175,281.70, 262,922.55 and 56,956.90 is: 85,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,281.70 : 262,922.55 = 56,956.90 : x
  2. Step 2: Convert to fraction form
    175,281.70/262,922.55 = 56,956.90/x
  3. Step 3: Cross multiply
    175,281.70x = 262,922.55 × 56,956.90
  4. Step 4: Simplify right side
    175,281.70x = 14,975,253,388.10
  5. Step 5: Solve for x
    x = 14,975,253,388.10/175,281.70
  6. Step 6: Final answer
    x = 85,435.35

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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.