Home / 670,098.31-1,005,157.87-214,775.17

Finding the Fourth Proportional to 670,098.31, 1,005,157.87 and 214,775.17

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Solution

The fourth proportional to 670,098.31, 1,005,157.87 and 214,775.17 is: 322,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,098.31 : 1,005,157.87 = 214,775.17 : x
  2. Step 2: Convert to fraction form
    670,098.31/1,005,157.87 = 214,775.17/x
  3. Step 3: Cross multiply
    670,098.31x = 1,005,157.87 × 214,775.17
  4. Step 4: Simplify right side
    670,098.31x = 215,882,949,356.26
  5. Step 5: Solve for x
    x = 215,882,949,356.26/670,098.31
  6. Step 6: Final answer
    x = 322,166.09

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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.