Home / 262,525.20-394,079.40-144,427.20

Finding the Fourth Proportional to 262,525.20, 394,079.40 and 144,427.20

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Solution

The fourth proportional to 262,525.20, 394,079.40 and 144,427.20 is: 216,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,525.20 : 394,079.40 = 144,427.20 : x
  2. Step 2: Convert to fraction form
    262,525.20/394,079.40 = 144,427.20/x
  3. Step 3: Cross multiply
    262,525.20x = 394,079.40 × 144,427.20
  4. Step 4: Simplify right side
    262,525.20x = 56,915,784,319.68
  5. Step 5: Solve for x
    x = 56,915,784,319.68/262,525.20
  6. Step 6: Final answer
    x = 216,801.22

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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.