Home / 401,948.49-554,653.92-220,659.69

Finding the Fourth Proportional to 401,948.49, 554,653.92 and 220,659.69

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Solution

The fourth proportional to 401,948.49, 554,653.92 and 220,659.69 is: 304,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,948.49 : 554,653.92 = 220,659.69 : x
  2. Step 2: Convert to fraction form
    401,948.49/554,653.92 = 220,659.69/x
  3. Step 3: Cross multiply
    401,948.49x = 554,653.92 × 220,659.69
  4. Step 4: Simplify right side
    401,948.49x = 122,389,762,044.49
  5. Step 5: Solve for x
    x = 122,389,762,044.49/401,948.49
  6. Step 6: Final answer
    x = 304,491.16

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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.