Home / 611,541.84-917,083.13-212,086.29

Finding the Fourth Proportional to 611,541.84, 917,083.13 and 212,086.29

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Solution

The fourth proportional to 611,541.84, 917,083.13 and 212,086.29 is: 318,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,541.84 : 917,083.13 = 212,086.29 : x
  2. Step 2: Convert to fraction form
    611,541.84/917,083.13 = 212,086.29/x
  3. Step 3: Cross multiply
    611,541.84x = 917,083.13 × 212,086.29
  4. Step 4: Simplify right side
    611,541.84x = 194,500,757,602.86
  5. Step 5: Solve for x
    x = 194,500,757,602.86/611,541.84
  6. Step 6: Final answer
    x = 318,049.80

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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.