Home / 400,927.96-553,281.26-219,635.92

Finding the Fourth Proportional to 400,927.96, 553,281.26 and 219,635.92

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Solution

The fourth proportional to 400,927.96, 553,281.26 and 219,635.92 is: 303,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,927.96 : 553,281.26 = 219,635.92 : x
  2. Step 2: Convert to fraction form
    400,927.96/553,281.26 = 219,635.92/x
  3. Step 3: Cross multiply
    400,927.96x = 553,281.26 × 219,635.92
  4. Step 4: Simplify right side
    400,927.96x = 121,520,438,558.86
  5. Step 5: Solve for x
    x = 121,520,438,558.86/400,927.96
  6. Step 6: Final answer
    x = 303,097.94

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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.