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Finding the Fourth Proportional to 240,452.20, 360,203.10 and 210,903.40

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Solution

The fourth proportional to 240,452.20, 360,203.10 and 210,903.40 is: 315,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,452.20 : 360,203.10 = 210,903.40 : x
  2. Step 2: Convert to fraction form
    240,452.20/360,203.10 = 210,903.40/x
  3. Step 3: Cross multiply
    240,452.20x = 360,203.10 × 210,903.40
  4. Step 4: Simplify right side
    240,452.20x = 75,968,058,480.54
  5. Step 5: Solve for x
    x = 75,968,058,480.54/240,452.20
  6. Step 6: Final answer
    x = 315,938.30

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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.