Home / 257,364.22-355,175.67-148,428.03

Finding the Fourth Proportional to 257,364.22, 355,175.67 and 148,428.03

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Solution

The fourth proportional to 257,364.22, 355,175.67 and 148,428.03 is: 204,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,364.22 : 355,175.67 = 148,428.03 : x
  2. Step 2: Convert to fraction form
    257,364.22/355,175.67 = 148,428.03/x
  3. Step 3: Cross multiply
    257,364.22x = 355,175.67 × 148,428.03
  4. Step 4: Simplify right side
    257,364.22x = 52,718,025,002.03
  5. Step 5: Solve for x
    x = 52,718,025,002.03/257,364.22
  6. Step 6: Final answer
    x = 204,838.21

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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.