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Finding the Fourth Proportional to 360,015.40, 540,023.10 and 293,530.60

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Solution

The fourth proportional to 360,015.40, 540,023.10 and 293,530.60 is: 440,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,015.40 : 540,023.10 = 293,530.60 : x
  2. Step 2: Convert to fraction form
    360,015.40/540,023.10 = 293,530.60/x
  3. Step 3: Cross multiply
    360,015.40x = 540,023.10 × 293,530.60
  4. Step 4: Simplify right side
    360,015.40x = 158,513,304,556.86
  5. Step 5: Solve for x
    x = 158,513,304,556.86/360,015.40
  6. Step 6: Final answer
    x = 440,295.90

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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.