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Finding the Fourth Proportional to 467,292, 644,862.96 and 266,126.88

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Solution

The fourth proportional to 467,292, 644,862.96 and 266,126.88 is: 367,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,292 : 644,862.96 = 266,126.88 : x
  2. Step 2: Convert to fraction form
    467,292/644,862.96 = 266,126.88/x
  3. Step 3: Cross multiply
    467,292x = 644,862.96 × 266,126.88
  4. Step 4: Simplify right side
    467,292x = 171,615,367,572.37
  5. Step 5: Solve for x
    x = 171,615,367,572.37/467,292
  6. Step 6: Final answer
    x = 367,255.09

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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.