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Finding the Fourth Proportional to 249,949, 344,928.71 and 135,227.69

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Solution

The fourth proportional to 249,949, 344,928.71 and 135,227.69 is: 186,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,949 : 344,928.71 = 135,227.69 : x
  2. Step 2: Convert to fraction form
    249,949/344,928.71 = 135,227.69/x
  3. Step 3: Cross multiply
    249,949x = 344,928.71 × 135,227.69
  4. Step 4: Simplify right side
    249,949x = 46,643,912,667.98
  5. Step 5: Solve for x
    x = 46,643,912,667.98/249,949
  6. Step 6: Final answer
    x = 186,613.72

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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.