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Finding the Fourth Proportional to 240,350.70, 360,050.85 and 210,801.90

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Solution

The fourth proportional to 240,350.70, 360,050.85 and 210,801.90 is: 315,786.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,350.70 : 360,050.85 = 210,801.90 : x
  2. Step 2: Convert to fraction form
    240,350.70/360,050.85 = 210,801.90/x
  3. Step 3: Cross multiply
    240,350.70x = 360,050.85 × 210,801.90
  4. Step 4: Simplify right side
    240,350.70x = 75,899,403,276.62
  5. Step 5: Solve for x
    x = 75,899,403,276.62/240,350.70
  6. Step 6: Final answer
    x = 315,786.07

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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.