Home / 401,458.73-553,961.79-229,387.83

Finding the Fourth Proportional to 401,458.73, 553,961.79 and 229,387.83

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Solution

The fourth proportional to 401,458.73, 553,961.79 and 229,387.83 is: 316,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,458.73 : 553,961.79 = 229,387.83 : x
  2. Step 2: Convert to fraction form
    401,458.73/553,961.79 = 229,387.83/x
  3. Step 3: Cross multiply
    401,458.73x = 553,961.79 × 229,387.83
  4. Step 4: Simplify right side
    401,458.73x = 127,072,092,911.02
  5. Step 5: Solve for x
    x = 127,072,092,911.02/401,458.73
  6. Step 6: Final answer
    x = 316,525.92

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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.