Home / 257,268.64-355,056.99-148,377.22

Finding the Fourth Proportional to 257,268.64, 355,056.99 and 148,377.22

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Solution

The fourth proportional to 257,268.64, 355,056.99 and 148,377.22 is: 204,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,268.64 : 355,056.99 = 148,377.22 : x
  2. Step 2: Convert to fraction form
    257,268.64/355,056.99 = 148,377.22/x
  3. Step 3: Cross multiply
    257,268.64x = 355,056.99 × 148,377.22
  4. Step 4: Simplify right side
    257,268.64x = 52,682,369,117.77
  5. Step 5: Solve for x
    x = 52,682,369,117.77/257,268.64
  6. Step 6: Final answer
    x = 204,775.71

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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.