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Finding the Fourth Proportional to 460,008.80, 634,833.06 and 256,072.65

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Solution

The fourth proportional to 460,008.80, 634,833.06 and 256,072.65 is: 353,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,008.80 : 634,833.06 = 256,072.65 : x
  2. Step 2: Convert to fraction form
    460,008.80/634,833.06 = 256,072.65/x
  3. Step 3: Cross multiply
    460,008.80x = 634,833.06 × 256,072.65
  4. Step 4: Simplify right side
    460,008.80x = 162,563,382,561.46
  5. Step 5: Solve for x
    x = 162,563,382,561.46/460,008.80
  6. Step 6: Final answer
    x = 353,391.90

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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.