Home / 252,021.10-377,642.85-218,584.30

Finding the Fourth Proportional to 252,021.10, 377,642.85 and 218,584.30

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Solution

The fourth proportional to 252,021.10, 377,642.85 and 218,584.30 is: 327,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,021.10 : 377,642.85 = 218,584.30 : x
  2. Step 2: Convert to fraction form
    252,021.10/377,642.85 = 218,584.30/x
  3. Step 3: Cross multiply
    252,021.10x = 377,642.85 × 218,584.30
  4. Step 4: Simplify right side
    252,021.10x = 82,546,798,017.26
  5. Step 5: Solve for x
    x = 82,546,798,017.26/252,021.10
  6. Step 6: Final answer
    x = 327,539.23

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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.