Home / 846,231.20-1,269,349.76-215,145.08

Finding the Fourth Proportional to 846,231.20, 1,269,349.76 and 215,145.08

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Solution

The fourth proportional to 846,231.20, 1,269,349.76 and 215,145.08 is: 322,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,231.20 : 1,269,349.76 = 215,145.08 : x
  2. Step 2: Convert to fraction form
    846,231.20/1,269,349.76 = 215,145.08/x
  3. Step 3: Cross multiply
    846,231.20x = 1,269,349.76 × 215,145.08
  4. Step 4: Simplify right side
    846,231.20x = 273,094,355,663.18
  5. Step 5: Solve for x
    x = 273,094,355,663.18/846,231.20
  6. Step 6: Final answer
    x = 322,718.37

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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.