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Finding the Fourth Proportional to 237,851.89, 328,235.70 and 130,419.70

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Solution

The fourth proportional to 237,851.89, 328,235.70 and 130,419.70 is: 179,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,851.89 : 328,235.70 = 130,419.70 : x
  2. Step 2: Convert to fraction form
    237,851.89/328,235.70 = 130,419.70/x
  3. Step 3: Cross multiply
    237,851.89x = 328,235.70 × 130,419.70
  4. Step 4: Simplify right side
    237,851.89x = 42,808,401,523.29
  5. Step 5: Solve for x
    x = 42,808,401,523.29/237,851.89
  6. Step 6: Final answer
    x = 179,979.24

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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.