Home / 256,183.47-384,231.65-69,151.23

Finding the Fourth Proportional to 256,183.47, 384,231.65 and 69,151.23

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Solution

The fourth proportional to 256,183.47, 384,231.65 and 69,151.23 is: 103,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,183.47 : 384,231.65 = 69,151.23 : x
  2. Step 2: Convert to fraction form
    256,183.47/384,231.65 = 69,151.23/x
  3. Step 3: Cross multiply
    256,183.47x = 384,231.65 × 69,151.23
  4. Step 4: Simplify right side
    256,183.47x = 26,570,090,856.67
  5. Step 5: Solve for x
    x = 26,570,090,856.67/256,183.47
  6. Step 6: Final answer
    x = 103,715.09

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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.