Home / 212,499.46-318,530.49-94,226.50

Finding the Fourth Proportional to 212,499.46, 318,530.49 and 94,226.50

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Solution

The fourth proportional to 212,499.46, 318,530.49 and 94,226.50 is: 141,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,499.46 : 318,530.49 = 94,226.50 : x
  2. Step 2: Convert to fraction form
    212,499.46/318,530.49 = 94,226.50/x
  3. Step 3: Cross multiply
    212,499.46x = 318,530.49 × 94,226.50
  4. Step 4: Simplify right side
    212,499.46x = 30,014,013,215.99
  5. Step 5: Solve for x
    x = 30,014,013,215.99/212,499.46
  6. Step 6: Final answer
    x = 141,242.77

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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.