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Finding the Fourth Proportional to 256,296.02, 353,854.78 and 229,391.87

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Solution

The fourth proportional to 256,296.02, 353,854.78 and 229,391.87 is: 316,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,296.02 : 353,854.78 = 229,391.87 : x
  2. Step 2: Convert to fraction form
    256,296.02/353,854.78 = 229,391.87/x
  3. Step 3: Cross multiply
    256,296.02x = 353,854.78 × 229,391.87
  4. Step 4: Simplify right side
    256,296.02x = 81,171,407,349.89
  5. Step 5: Solve for x
    x = 81,171,407,349.89/256,296.02
  6. Step 6: Final answer
    x = 316,709.60

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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.