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Finding the Fourth Proportional to 452,689.08, 678,369 and 227,740.34

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Solution

The fourth proportional to 452,689.08, 678,369 and 227,740.34 is: 341,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,689.08 : 678,369 = 227,740.34 : x
  2. Step 2: Convert to fraction form
    452,689.08/678,369 = 227,740.34/x
  3. Step 3: Cross multiply
    452,689.08x = 678,369 × 227,740.34
  4. Step 4: Simplify right side
    452,689.08x = 154,491,986,705.46
  5. Step 5: Solve for x
    x = 154,491,986,705.46/452,689.08
  6. Step 6: Final answer
    x = 341,276.15

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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.