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Finding the Fourth Proportional to 492,868.74, 680,159.58 and 266,514.24

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Solution

The fourth proportional to 492,868.74, 680,159.58 and 266,514.24 is: 367,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,868.74 : 680,159.58 = 266,514.24 : x
  2. Step 2: Convert to fraction form
    492,868.74/680,159.58 = 266,514.24/x
  3. Step 3: Cross multiply
    492,868.74x = 680,159.58 × 266,514.24
  4. Step 4: Simplify right side
    492,868.74x = 181,272,213,542.42
  5. Step 5: Solve for x
    x = 181,272,213,542.42/492,868.74
  6. Step 6: Final answer
    x = 367,790.04

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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.