Home / 572,086.40-858,179.61-212,261.31

Finding the Fourth Proportional to 572,086.40, 858,179.61 and 212,261.31

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Solution

The fourth proportional to 572,086.40, 858,179.61 and 212,261.31 is: 318,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,086.40 : 858,179.61 = 212,261.31 : x
  2. Step 2: Convert to fraction form
    572,086.40/858,179.61 = 212,261.31/x
  3. Step 3: Cross multiply
    572,086.40x = 858,179.61 × 212,261.31
  4. Step 4: Simplify right side
    572,086.40x = 182,158,328,233.89
  5. Step 5: Solve for x
    x = 182,158,328,233.89/572,086.40
  6. Step 6: Final answer
    x = 318,410.52

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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.