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Finding the Fourth Proportional to 257,603.67, 355,544.10 and 150,190.92

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Solution

The fourth proportional to 257,603.67, 355,544.10 and 150,190.92 is: 207,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,603.67 : 355,544.10 = 150,190.92 : x
  2. Step 2: Convert to fraction form
    257,603.67/355,544.10 = 150,190.92/x
  3. Step 3: Cross multiply
    257,603.67x = 355,544.10 × 150,190.92
  4. Step 4: Simplify right side
    257,603.67x = 53,399,495,479.57
  5. Step 5: Solve for x
    x = 53,399,495,479.57/257,603.67
  6. Step 6: Final answer
    x = 207,293.22

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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.