Home / 284,692.53-392,914.77-163,831.35

Finding the Fourth Proportional to 284,692.53, 392,914.77 and 163,831.35

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Solution

The fourth proportional to 284,692.53, 392,914.77 and 163,831.35 is: 226,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,692.53 : 392,914.77 = 163,831.35 : x
  2. Step 2: Convert to fraction form
    284,692.53/392,914.77 = 163,831.35/x
  3. Step 3: Cross multiply
    284,692.53x = 392,914.77 × 163,831.35
  4. Step 4: Simplify right side
    284,692.53x = 64,371,757,204.04
  5. Step 5: Solve for x
    x = 64,371,757,204.04/284,692.53
  6. Step 6: Final answer
    x = 226,109.75

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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.