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Finding the Fourth Proportional to 401,033.33, 553,426.13 and 219,743.79

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Solution

The fourth proportional to 401,033.33, 553,426.13 and 219,743.79 is: 303,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,033.33 : 553,426.13 = 219,743.79 : x
  2. Step 2: Convert to fraction form
    401,033.33/553,426.13 = 219,743.79/x
  3. Step 3: Cross multiply
    401,033.33x = 553,426.13 × 219,743.79
  4. Step 4: Simplify right side
    401,033.33x = 121,611,955,291.23
  5. Step 5: Solve for x
    x = 121,611,955,291.23/401,033.33
  6. Step 6: Final answer
    x = 303,246.50

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1.5x scale

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.