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Finding the Fourth Proportional to 272,255.70, 407,800.35 and 177,777.30

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Solution

The fourth proportional to 272,255.70, 407,800.35 and 177,777.30 is: 266,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,255.70 : 407,800.35 = 177,777.30 : x
  2. Step 2: Convert to fraction form
    272,255.70/407,800.35 = 177,777.30/x
  3. Step 3: Cross multiply
    272,255.70x = 407,800.35 × 177,777.30
  4. Step 4: Simplify right side
    272,255.70x = 72,497,645,162.06
  5. Step 5: Solve for x
    x = 72,497,645,162.06/272,255.70
  6. Step 6: Final answer
    x = 266,285.13

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1.5x scale

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.