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Finding the Fourth Proportional to 237,930.75, 328,373.60 and 137,328.75

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Solution

The fourth proportional to 237,930.75, 328,373.60 and 137,328.75 is: 189,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.75 : 328,373.60 = 137,328.75 : x
  2. Step 2: Convert to fraction form
    237,930.75/328,373.60 = 137,328.75/x
  3. Step 3: Cross multiply
    237,930.75x = 328,373.60 × 137,328.75
  4. Step 4: Simplify right side
    237,930.75x = 45,095,135,334.36
  5. Step 5: Solve for x
    x = 45,095,135,334.36/237,930.75
  6. Step 6: Final answer
    x = 189,530.51

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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.