Home / 272,337.10-408,943.05-205,852.30

Finding the Fourth Proportional to 272,337.10, 408,943.05 and 205,852.30

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Solution

The fourth proportional to 272,337.10, 408,943.05 and 205,852.30 is: 309,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,337.10 : 408,943.05 = 205,852.30 : x
  2. Step 2: Convert to fraction form
    272,337.10/408,943.05 = 205,852.30/x
  3. Step 3: Cross multiply
    272,337.10x = 408,943.05 × 205,852.30
  4. Step 4: Simplify right side
    272,337.10x = 84,181,867,411.52
  5. Step 5: Solve for x
    x = 84,181,867,411.52/272,337.10
  6. Step 6: Final answer
    x = 309,109.07

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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.