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Finding the Fourth Proportional to 240,289.60, 331,574.28 and 132,842.28

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Solution

The fourth proportional to 240,289.60, 331,574.28 and 132,842.28 is: 183,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,289.60 : 331,574.28 = 132,842.28 : x
  2. Step 2: Convert to fraction form
    240,289.60/331,574.28 = 132,842.28/x
  3. Step 3: Cross multiply
    240,289.60x = 331,574.28 × 132,842.28
  4. Step 4: Simplify right side
    240,289.60x = 44,047,083,344.56
  5. Step 5: Solve for x
    x = 44,047,083,344.56/240,289.60
  6. Step 6: Final answer
    x = 183,308.32

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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.