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Finding the Fourth Proportional to 238,292.28, 328,843.19 and 130,869.07

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Solution

The fourth proportional to 238,292.28, 328,843.19 and 130,869.07 is: 180,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,292.28 : 328,843.19 = 130,869.07 : x
  2. Step 2: Convert to fraction form
    238,292.28/328,843.19 = 130,869.07/x
  3. Step 3: Cross multiply
    238,292.28x = 328,843.19 × 130,869.07
  4. Step 4: Simplify right side
    238,292.28x = 43,035,401,956.20
  5. Step 5: Solve for x
    x = 43,035,401,956.20/238,292.28
  6. Step 6: Final answer
    x = 180,599.23

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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.