Home / 257,475.96-355,297.23-144,276.84

Finding the Fourth Proportional to 257,475.96, 355,297.23 and 144,276.84

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Solution

The fourth proportional to 257,475.96, 355,297.23 and 144,276.84 is: 199,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,475.96 : 355,297.23 = 144,276.84 : x
  2. Step 2: Convert to fraction form
    257,475.96/355,297.23 = 144,276.84/x
  3. Step 3: Cross multiply
    257,475.96x = 355,297.23 × 144,276.84
  4. Step 4: Simplify right side
    257,475.96x = 51,261,161,605.15
  5. Step 5: Solve for x
    x = 51,261,161,605.15/257,475.96
  6. Step 6: Final answer
    x = 199,091.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.