Home / 214,998.30-322,414.47-70,869.51

Finding the Fourth Proportional to 214,998.30, 322,414.47 and 70,869.51

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Solution

The fourth proportional to 214,998.30, 322,414.47 and 70,869.51 is: 106,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,998.30 : 322,414.47 = 70,869.51 : x
  2. Step 2: Convert to fraction form
    214,998.30/322,414.47 = 70,869.51/x
  3. Step 3: Cross multiply
    214,998.30x = 322,414.47 × 70,869.51
  4. Step 4: Simplify right side
    214,998.30x = 22,849,355,505.81
  5. Step 5: Solve for x
    x = 22,849,355,505.81/214,998.30
  6. Step 6: Final answer
    x = 106,276.91

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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.