Home / 386,966.70-579,858.30-162,204.60

Finding the Fourth Proportional to 386,966.70, 579,858.30 and 162,204.60

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Solution

The fourth proportional to 386,966.70, 579,858.30 and 162,204.60 is: 243,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,966.70 : 579,858.30 = 162,204.60 : x
  2. Step 2: Convert to fraction form
    386,966.70/579,858.30 = 162,204.60/x
  3. Step 3: Cross multiply
    386,966.70x = 579,858.30 × 162,204.60
  4. Step 4: Simplify right side
    386,966.70x = 94,055,683,608.18
  5. Step 5: Solve for x
    x = 94,055,683,608.18/386,966.70
  6. Step 6: Final answer
    x = 243,058.86

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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.