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Finding the Fourth Proportional to 227,959, 314,574.90 and 131,177.80

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Solution

The fourth proportional to 227,959, 314,574.90 and 131,177.80 is: 181,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,959 : 314,574.90 = 131,177.80 : x
  2. Step 2: Convert to fraction form
    227,959/314,574.90 = 131,177.80/x
  3. Step 3: Cross multiply
    227,959x = 314,574.90 × 131,177.80
  4. Step 4: Simplify right side
    227,959x = 41,265,243,317.22
  5. Step 5: Solve for x
    x = 41,265,243,317.22/227,959
  6. Step 6: Final answer
    x = 181,020.46

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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.