Home / 217,211.60-300,000.84-173,043.92

Finding the Fourth Proportional to 217,211.60, 300,000.84 and 173,043.92

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Solution

The fourth proportional to 217,211.60, 300,000.84 and 173,043.92 is: 238,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,211.60 : 300,000.84 = 173,043.92 : x
  2. Step 2: Convert to fraction form
    217,211.60/300,000.84 = 173,043.92/x
  3. Step 3: Cross multiply
    217,211.60x = 300,000.84 × 173,043.92
  4. Step 4: Simplify right side
    217,211.60x = 51,913,321,356.89
  5. Step 5: Solve for x
    x = 51,913,321,356.89/217,211.60
  6. Step 6: Final answer
    x = 238,998.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.