Home / 401,077.98-553,417.35-228,917.34

Finding the Fourth Proportional to 401,077.98, 553,417.35 and 228,917.34

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Solution

The fourth proportional to 401,077.98, 553,417.35 and 228,917.34 is: 315,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,077.98 : 553,417.35 = 228,917.34 : x
  2. Step 2: Convert to fraction form
    401,077.98/553,417.35 = 228,917.34/x
  3. Step 3: Cross multiply
    401,077.98x = 553,417.35 × 228,917.34
  4. Step 4: Simplify right side
    401,077.98x = 126,686,827,671.85
  5. Step 5: Solve for x
    x = 126,686,827,671.85/401,077.98
  6. Step 6: Final answer
    x = 315,865.83

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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.