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Finding the Fourth Proportional to 275,530.60, 413,295.90 and 240,538.60

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Solution

The fourth proportional to 275,530.60, 413,295.90 and 240,538.60 is: 360,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,530.60 : 413,295.90 = 240,538.60 : x
  2. Step 2: Convert to fraction form
    275,530.60/413,295.90 = 240,538.60/x
  3. Step 3: Cross multiply
    275,530.60x = 413,295.90 × 240,538.60
  4. Step 4: Simplify right side
    275,530.60x = 99,413,617,171.74
  5. Step 5: Solve for x
    x = 99,413,617,171.74/275,530.60
  6. Step 6: Final answer
    x = 360,807.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.