Home / 400,049.20-551,807.76-256,582

Finding the Fourth Proportional to 400,049.20, 551,807.76 and 256,582

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Solution

The fourth proportional to 400,049.20, 551,807.76 and 256,582 is: 353,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,049.20 : 551,807.76 = 256,582 : x
  2. Step 2: Convert to fraction form
    400,049.20/551,807.76 = 256,582/x
  3. Step 3: Cross multiply
    400,049.20x = 551,807.76 × 256,582
  4. Step 4: Simplify right side
    400,049.20x = 141,583,938,676.32
  5. Step 5: Solve for x
    x = 141,583,938,676.32/400,049.20
  6. Step 6: Final answer
    x = 353,916.31

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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.