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Finding the Fourth Proportional to 257,790.94, 355,794.29 and 150,360.97

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Solution

The fourth proportional to 257,790.94, 355,794.29 and 150,360.97 is: 207,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,790.94 : 355,794.29 = 150,360.97 : x
  2. Step 2: Convert to fraction form
    257,790.94/355,794.29 = 150,360.97/x
  3. Step 3: Cross multiply
    257,790.94x = 355,794.29 × 150,360.97
  4. Step 4: Simplify right side
    257,790.94x = 53,497,574,257.80
  5. Step 5: Solve for x
    x = 53,497,574,257.80/257,790.94
  6. Step 6: Final answer
    x = 207,523.10

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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.