Home / 237,477.50-327,714.98-128,580.96

Finding the Fourth Proportional to 237,477.50, 327,714.98 and 128,580.96

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Solution

The fourth proportional to 237,477.50, 327,714.98 and 128,580.96 is: 177,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,477.50 : 327,714.98 = 128,580.96 : x
  2. Step 2: Convert to fraction form
    237,477.50/327,714.98 = 128,580.96/x
  3. Step 3: Cross multiply
    237,477.50x = 327,714.98 × 128,580.96
  4. Step 4: Simplify right side
    237,477.50x = 42,137,906,734.78
  5. Step 5: Solve for x
    x = 42,137,906,734.78/237,477.50
  6. Step 6: Final answer
    x = 177,439.58

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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.