Home / 301,000.12-451,575.32-212,426.62

Finding the Fourth Proportional to 301,000.12, 451,575.32 and 212,426.62

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Solution

The fourth proportional to 301,000.12, 451,575.32 and 212,426.62 is: 318,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,000.12 : 451,575.32 = 212,426.62 : x
  2. Step 2: Convert to fraction form
    301,000.12/451,575.32 = 212,426.62/x
  3. Step 3: Cross multiply
    301,000.12x = 451,575.32 × 212,426.62
  4. Step 4: Simplify right side
    301,000.12x = 95,926,618,903.02
  5. Step 5: Solve for x
    x = 95,926,618,903.02/301,000.12
  6. Step 6: Final answer
    x = 318,692.96

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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.