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Finding the Fourth Proportional to 454,288.91, 626,910.30 and 250,358.72

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Solution

The fourth proportional to 454,288.91, 626,910.30 and 250,358.72 is: 345,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,288.91 : 626,910.30 = 250,358.72 : x
  2. Step 2: Convert to fraction form
    454,288.91/626,910.30 = 250,358.72/x
  3. Step 3: Cross multiply
    454,288.91x = 626,910.30 × 250,358.72
  4. Step 4: Simplify right side
    454,288.91x = 156,952,457,128.27
  5. Step 5: Solve for x
    x = 156,952,457,128.27/454,288.91
  6. Step 6: Final answer
    x = 345,490.40

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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.