Home / 670,100.31-1,005,160.87-214,777.17

Finding the Fourth Proportional to 670,100.31, 1,005,160.87 and 214,777.17

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Solution

The fourth proportional to 670,100.31, 1,005,160.87 and 214,777.17 is: 322,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,100.31 : 1,005,160.87 = 214,777.17 : x
  2. Step 2: Convert to fraction form
    670,100.31/1,005,160.87 = 214,777.17/x
  3. Step 3: Cross multiply
    670,100.31x = 1,005,160.87 × 214,777.17
  4. Step 4: Simplify right side
    670,100.31x = 215,885,607,053.34
  5. Step 5: Solve for x
    x = 215,885,607,053.34/670,100.31
  6. Step 6: Final answer
    x = 322,169.09

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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.