Home / 187,428.30-280,705.05-183,669.90

Finding the Fourth Proportional to 187,428.30, 280,705.05 and 183,669.90

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Solution

The fourth proportional to 187,428.30, 280,705.05 and 183,669.90 is: 275,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,428.30 : 280,705.05 = 183,669.90 : x
  2. Step 2: Convert to fraction form
    187,428.30/280,705.05 = 183,669.90/x
  3. Step 3: Cross multiply
    187,428.30x = 280,705.05 × 183,669.90
  4. Step 4: Simplify right side
    187,428.30x = 51,557,068,463.00
  5. Step 5: Solve for x
    x = 51,557,068,463.00/187,428.30
  6. Step 6: Final answer
    x = 275,076.22

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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.