Home / 209,285.28-284,949.72-208,620.96

Finding the Fourth Proportional to 209,285.28, 284,949.72 and 208,620.96

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Solution

The fourth proportional to 209,285.28, 284,949.72 and 208,620.96 is: 284,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,285.28 : 284,949.72 = 208,620.96 : x
  2. Step 2: Convert to fraction form
    209,285.28/284,949.72 = 208,620.96/x
  3. Step 3: Cross multiply
    209,285.28x = 284,949.72 × 208,620.96
  4. Step 4: Simplify right side
    209,285.28x = 59,446,484,138.13
  5. Step 5: Solve for x
    x = 59,446,484,138.13/209,285.28
  6. Step 6: Final answer
    x = 284,045.22

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.