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Finding the Fourth Proportional to 571,472.19, 857,148.12 and 234,548.43

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Solution

The fourth proportional to 571,472.19, 857,148.12 and 234,548.43 is: 351,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,472.19 : 857,148.12 = 234,548.43 : x
  2. Step 2: Convert to fraction form
    571,472.19/857,148.12 = 234,548.43/x
  3. Step 3: Cross multiply
    571,472.19x = 857,148.12 × 234,548.43
  4. Step 4: Simplify right side
    571,472.19x = 201,042,745,823.45
  5. Step 5: Solve for x
    x = 201,042,745,823.45/571,472.19
  6. Step 6: Final answer
    x = 351,797.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.