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Finding the Fourth Proportional to 240,453.20, 360,204.60 and 210,904.40

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Solution

The fourth proportional to 240,453.20, 360,204.60 and 210,904.40 is: 315,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,453.20 : 360,204.60 = 210,904.40 : x
  2. Step 2: Convert to fraction form
    240,453.20/360,204.60 = 210,904.40/x
  3. Step 3: Cross multiply
    240,453.20x = 360,204.60 × 210,904.40
  4. Step 4: Simplify right side
    240,453.20x = 75,968,735,040.24
  5. Step 5: Solve for x
    x = 75,968,735,040.24/240,453.20
  6. Step 6: Final answer
    x = 315,939.80

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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.