Home / 284,928.44-393,187.37-155,873.57

Finding the Fourth Proportional to 284,928.44, 393,187.37 and 155,873.57

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Solution

The fourth proportional to 284,928.44, 393,187.37 and 155,873.57 is: 215,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,928.44 : 393,187.37 = 155,873.57 : x
  2. Step 2: Convert to fraction form
    284,928.44/393,187.37 = 155,873.57/x
  3. Step 3: Cross multiply
    284,928.44x = 393,187.37 × 155,873.57
  4. Step 4: Simplify right side
    284,928.44x = 61,287,516,295.51
  5. Step 5: Solve for x
    x = 61,287,516,295.51/284,928.44
  6. Step 6: Final answer
    x = 215,097.93

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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.