Home / 284,811.93-393,039.81-163,909.17

Finding the Fourth Proportional to 284,811.93, 393,039.81 and 163,909.17

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Solution

The fourth proportional to 284,811.93, 393,039.81 and 163,909.17 is: 226,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,811.93 : 393,039.81 = 163,909.17 : x
  2. Step 2: Convert to fraction form
    284,811.93/393,039.81 = 163,909.17/x
  3. Step 3: Cross multiply
    284,811.93x = 393,039.81 × 163,909.17
  4. Step 4: Simplify right side
    284,811.93x = 64,422,829,034.06
  5. Step 5: Solve for x
    x = 64,422,829,034.06/284,811.93
  6. Step 6: Final answer
    x = 226,194.28

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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.