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Finding the Fourth Proportional to 266,490.55, 367,794.47 and 169,663.48

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Solution

The fourth proportional to 266,490.55, 367,794.47 and 169,663.48 is: 234,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,490.55 : 367,794.47 = 169,663.48 : x
  2. Step 2: Convert to fraction form
    266,490.55/367,794.47 = 169,663.48/x
  3. Step 3: Cross multiply
    266,490.55x = 367,794.47 × 169,663.48
  4. Step 4: Simplify right side
    266,490.55x = 62,401,289,704.96
  5. Step 5: Solve for x
    x = 62,401,289,704.96/266,490.55
  6. Step 6: Final answer
    x = 234,159.48

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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.