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Finding the Fourth Proportional to 460,044.27, 634,872.21 and 256,108.97

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Solution

The fourth proportional to 460,044.27, 634,872.21 and 256,108.97 is: 353,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,044.27 : 634,872.21 = 256,108.97 : x
  2. Step 2: Convert to fraction form
    460,044.27/634,872.21 = 256,108.97/x
  3. Step 3: Cross multiply
    460,044.27x = 634,872.21 × 256,108.97
  4. Step 4: Simplify right side
    460,044.27x = 162,596,470,572.42
  5. Step 5: Solve for x
    x = 162,596,470,572.42/460,044.27
  6. Step 6: Final answer
    x = 353,436.58

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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.