Home / 212,330.84-318,507.42-54,560.36

Finding the Fourth Proportional to 212,330.84, 318,507.42 and 54,560.36

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Solution

The fourth proportional to 212,330.84, 318,507.42 and 54,560.36 is: 81,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,330.84 : 318,507.42 = 54,560.36 : x
  2. Step 2: Convert to fraction form
    212,330.84/318,507.42 = 54,560.36/x
  3. Step 3: Cross multiply
    212,330.84x = 318,507.42 × 54,560.36
  4. Step 4: Simplify right side
    212,330.84x = 17,377,879,497.87
  5. Step 5: Solve for x
    x = 17,377,879,497.87/212,330.84
  6. Step 6: Final answer
    x = 81,843.41

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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.