Home / 212,957.40-318,998.70-146,472.60

Finding the Fourth Proportional to 212,957.40, 318,998.70 and 146,472.60

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Solution

The fourth proportional to 212,957.40, 318,998.70 and 146,472.60 is: 219,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957.40 : 318,998.70 = 146,472.60 : x
  2. Step 2: Convert to fraction form
    212,957.40/318,998.70 = 146,472.60/x
  3. Step 3: Cross multiply
    212,957.40x = 318,998.70 × 146,472.60
  4. Step 4: Simplify right side
    212,957.40x = 46,724,568,985.62
  5. Step 5: Solve for x
    x = 46,724,568,985.62/212,957.40
  6. Step 6: Final answer
    x = 219,408.06

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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.