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Finding the Fourth Proportional to 326,299.74, 450,270.48 and 181,113.30

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Solution

The fourth proportional to 326,299.74, 450,270.48 and 181,113.30 is: 249,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,299.74 : 450,270.48 = 181,113.30 : x
  2. Step 2: Convert to fraction form
    326,299.74/450,270.48 = 181,113.30/x
  3. Step 3: Cross multiply
    326,299.74x = 450,270.48 × 181,113.30
  4. Step 4: Simplify right side
    326,299.74x = 81,549,972,525.38
  5. Step 5: Solve for x
    x = 81,549,972,525.38/326,299.74
  6. Step 6: Final answer
    x = 249,923.50

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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.