Home / 257,500.60-385,376.10-226,007.80

Finding the Fourth Proportional to 257,500.60, 385,376.10 and 226,007.80

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Solution

The fourth proportional to 257,500.60, 385,376.10 and 226,007.80 is: 338,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,500.60 : 385,376.10 = 226,007.80 : x
  2. Step 2: Convert to fraction form
    257,500.60/385,376.10 = 226,007.80/x
  3. Step 3: Cross multiply
    257,500.60x = 385,376.10 × 226,007.80
  4. Step 4: Simplify right side
    257,500.60x = 87,098,004,533.58
  5. Step 5: Solve for x
    x = 87,098,004,533.58/257,500.60
  6. Step 6: Final answer
    x = 338,243.89

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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.