Home / 284,669.66-427,012-124,663.28

Finding the Fourth Proportional to 284,669.66, 427,012 and 124,663.28

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Solution

The fourth proportional to 284,669.66, 427,012 and 124,663.28 is: 186,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,669.66 : 427,012 = 124,663.28 : x
  2. Step 2: Convert to fraction form
    284,669.66/427,012 = 124,663.28/x
  3. Step 3: Cross multiply
    284,669.66x = 427,012 × 124,663.28
  4. Step 4: Simplify right side
    284,669.66x = 53,232,716,519.36
  5. Step 5: Solve for x
    x = 53,232,716,519.36/284,669.66
  6. Step 6: Final answer
    x = 186,998.21

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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.