Home / 266,248.56-367,420.14-145,389.48

Finding the Fourth Proportional to 266,248.56, 367,420.14 and 145,389.48

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Solution

The fourth proportional to 266,248.56, 367,420.14 and 145,389.48 is: 200,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,248.56 : 367,420.14 = 145,389.48 : x
  2. Step 2: Convert to fraction form
    266,248.56/367,420.14 = 145,389.48/x
  3. Step 3: Cross multiply
    266,248.56x = 367,420.14 × 145,389.48
  4. Step 4: Simplify right side
    266,248.56x = 53,419,023,096.13
  5. Step 5: Solve for x
    x = 53,419,023,096.13/266,248.56
  6. Step 6: Final answer
    x = 200,635.91

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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.