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Finding the Fourth Proportional to 237,871.84, 328,671.12 and 229,357.12

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Solution

The fourth proportional to 237,871.84, 328,671.12 and 229,357.12 is: 316,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,871.84 : 328,671.12 = 229,357.12 : x
  2. Step 2: Convert to fraction form
    237,871.84/328,671.12 = 229,357.12/x
  3. Step 3: Cross multiply
    237,871.84x = 328,671.12 × 229,357.12
  4. Step 4: Simplify right side
    237,871.84x = 75,383,061,510.37
  5. Step 5: Solve for x
    x = 75,383,061,510.37/237,871.84
  6. Step 6: Final answer
    x = 316,906.20

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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.