Home / 284,455.40-392,626.64-176,961.31

Finding the Fourth Proportional to 284,455.40, 392,626.64 and 176,961.31

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Solution

The fourth proportional to 284,455.40, 392,626.64 and 176,961.31 is: 244,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,455.40 : 392,626.64 = 176,961.31 : x
  2. Step 2: Convert to fraction form
    284,455.40/392,626.64 = 176,961.31/x
  3. Step 3: Cross multiply
    284,455.40x = 392,626.64 × 176,961.31
  4. Step 4: Simplify right side
    284,455.40x = 69,479,724,016.14
  5. Step 5: Solve for x
    x = 69,479,724,016.14/284,455.40
  6. Step 6: Final answer
    x = 244,255.25

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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.