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Finding the Fourth Proportional to 270,580.28, 373,401.22 and 149,726.66

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Solution

The fourth proportional to 270,580.28, 373,401.22 and 149,726.66 is: 206,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,580.28 : 373,401.22 = 149,726.66 : x
  2. Step 2: Convert to fraction form
    270,580.28/373,401.22 = 149,726.66/x
  3. Step 3: Cross multiply
    270,580.28x = 373,401.22 × 149,726.66
  4. Step 4: Simplify right side
    270,580.28x = 55,908,117,510.53
  5. Step 5: Solve for x
    x = 55,908,117,510.53/270,580.28
  6. Step 6: Final answer
    x = 206,623.03

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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.