Home / 334,064.12-500,428.56-200,871.44

Finding the Fourth Proportional to 334,064.12, 500,428.56 and 200,871.44

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Solution

The fourth proportional to 334,064.12, 500,428.56 and 200,871.44 is: 300,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,064.12 : 500,428.56 = 200,871.44 : x
  2. Step 2: Convert to fraction form
    334,064.12/500,428.56 = 200,871.44/x
  3. Step 3: Cross multiply
    334,064.12x = 500,428.56 × 200,871.44
  4. Step 4: Simplify right side
    334,064.12x = 100,521,805,464.33
  5. Step 5: Solve for x
    x = 100,521,805,464.33/334,064.12
  6. Step 6: Final answer
    x = 300,905.72

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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.