Home / 400,868.66-553,044.76-228,796.18

Finding the Fourth Proportional to 400,868.66, 553,044.76 and 228,796.18

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Solution

The fourth proportional to 400,868.66, 553,044.76 and 228,796.18 is: 315,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,868.66 : 553,044.76 = 228,796.18 : x
  2. Step 2: Convert to fraction form
    400,868.66/553,044.76 = 228,796.18/x
  3. Step 3: Cross multiply
    400,868.66x = 553,044.76 × 228,796.18
  4. Step 4: Simplify right side
    400,868.66x = 126,534,528,457.02
  5. Step 5: Solve for x
    x = 126,534,528,457.02/400,868.66
  6. Step 6: Final answer
    x = 315,650.84

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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.