Home / 307,828.08-424,821.66-171,861.84

Finding the Fourth Proportional to 307,828.08, 424,821.66 and 171,861.84

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Solution

The fourth proportional to 307,828.08, 424,821.66 and 171,861.84 is: 237,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,828.08 : 424,821.66 = 171,861.84 : x
  2. Step 2: Convert to fraction form
    307,828.08/424,821.66 = 171,861.84/x
  3. Step 3: Cross multiply
    307,828.08x = 424,821.66 × 171,861.84
  4. Step 4: Simplify right side
    307,828.08x = 73,010,632,159.45
  5. Step 5: Solve for x
    x = 73,010,632,159.45/307,828.08
  6. Step 6: Final answer
    x = 237,179.90

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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.