Home / 284,920.67-393,268.26-177,427.19

Finding the Fourth Proportional to 284,920.67, 393,268.26 and 177,427.19

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Solution

The fourth proportional to 284,920.67, 393,268.26 and 177,427.19 is: 244,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,920.67 : 393,268.26 = 177,427.19 : x
  2. Step 2: Convert to fraction form
    284,920.67/393,268.26 = 177,427.19/x
  3. Step 3: Cross multiply
    284,920.67x = 393,268.26 × 177,427.19
  4. Step 4: Simplify right side
    284,920.67x = 69,776,483,936.51
  5. Step 5: Solve for x
    x = 69,776,483,936.51/284,920.67
  6. Step 6: Final answer
    x = 244,897.93

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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.