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Finding the Fourth Proportional to 212,757.58, 319,165.55 and 94,426.30

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Solution

The fourth proportional to 212,757.58, 319,165.55 and 94,426.30 is: 141,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,757.58 : 319,165.55 = 94,426.30 : x
  2. Step 2: Convert to fraction form
    212,757.58/319,165.55 = 94,426.30/x
  3. Step 3: Cross multiply
    212,757.58x = 319,165.55 × 94,426.30
  4. Step 4: Simplify right side
    212,757.58x = 30,137,621,973.97
  5. Step 5: Solve for x
    x = 30,137,621,973.97/212,757.58
  6. Step 6: Final answer
    x = 141,652.40

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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.