Home / 401,457.22-553,959.73-229,386.33

Finding the Fourth Proportional to 401,457.22, 553,959.73 and 229,386.33

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Solution

The fourth proportional to 401,457.22, 553,959.73 and 229,386.33 is: 316,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,457.22 : 553,959.73 = 229,386.33 : x
  2. Step 2: Convert to fraction form
    401,457.22/553,959.73 = 229,386.33/x
  3. Step 3: Cross multiply
    401,457.22x = 553,959.73 × 229,386.33
  4. Step 4: Simplify right side
    401,457.22x = 127,070,789,897.70
  5. Step 5: Solve for x
    x = 127,070,789,897.70/401,457.22
  6. Step 6: Final answer
    x = 316,523.86

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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.