Home / 263,017.40-394,331.70-144,822.20

Finding the Fourth Proportional to 263,017.40, 394,331.70 and 144,822.20

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Solution

The fourth proportional to 263,017.40, 394,331.70 and 144,822.20 is: 217,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,017.40 : 394,331.70 = 144,822.20 : x
  2. Step 2: Convert to fraction form
    263,017.40/394,331.70 = 144,822.20/x
  3. Step 3: Cross multiply
    263,017.40x = 394,331.70 × 144,822.20
  4. Step 4: Simplify right side
    263,017.40x = 57,107,984,323.74
  5. Step 5: Solve for x
    x = 57,107,984,323.74/263,017.40
  6. Step 6: Final answer
    x = 217,126.26

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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.