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Finding the Fourth Proportional to 200,055.40, 300,083.10 and 183,725.80

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Solution

The fourth proportional to 200,055.40, 300,083.10 and 183,725.80 is: 275,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,055.40 : 300,083.10 = 183,725.80 : x
  2. Step 2: Convert to fraction form
    200,055.40/300,083.10 = 183,725.80/x
  3. Step 3: Cross multiply
    200,055.40x = 300,083.10 × 183,725.80
  4. Step 4: Simplify right side
    200,055.40x = 55,133,007,613.98
  5. Step 5: Solve for x
    x = 55,133,007,613.98/200,055.40
  6. Step 6: Final answer
    x = 275,588.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.