Home / 567,871.26-851,557.50-212,636.16

Finding the Fourth Proportional to 567,871.26, 851,557.50 and 212,636.16

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Solution

The fourth proportional to 567,871.26, 851,557.50 and 212,636.16 is: 318,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,871.26 : 851,557.50 = 212,636.16 : x
  2. Step 2: Convert to fraction form
    567,871.26/851,557.50 = 212,636.16/x
  3. Step 3: Cross multiply
    567,871.26x = 851,557.50 × 212,636.16
  4. Step 4: Simplify right side
    567,871.26x = 181,071,916,819.20
  5. Step 5: Solve for x
    x = 181,071,916,819.20/567,871.26
  6. Step 6: Final answer
    x = 318,860.86

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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.