Home / 384,852.53-531,073.61-212,760.19

Finding the Fourth Proportional to 384,852.53, 531,073.61 and 212,760.19

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Solution

The fourth proportional to 384,852.53, 531,073.61 and 212,760.19 is: 293,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,852.53 : 531,073.61 = 212,760.19 : x
  2. Step 2: Convert to fraction form
    384,852.53/531,073.61 = 212,760.19/x
  3. Step 3: Cross multiply
    384,852.53x = 531,073.61 × 212,760.19
  4. Step 4: Simplify right side
    384,852.53x = 112,991,325,255.90
  5. Step 5: Solve for x
    x = 112,991,325,255.90/384,852.53
  6. Step 6: Final answer
    x = 293,596.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.