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Finding the Fourth Proportional to 200,214.14, 300,347.64 and 73,943.15

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Solution

The fourth proportional to 200,214.14, 300,347.64 and 73,943.15 is: 110,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,214.14 : 300,347.64 = 73,943.15 : x
  2. Step 2: Convert to fraction form
    200,214.14/300,347.64 = 73,943.15/x
  3. Step 3: Cross multiply
    200,214.14x = 300,347.64 × 73,943.15
  4. Step 4: Simplify right side
    200,214.14x = 22,208,649,094.93
  5. Step 5: Solve for x
    x = 22,208,649,094.93/200,214.14
  6. Step 6: Final answer
    x = 110,924.48

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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.