Home / 393,052.37-542,357.57-220,946.00

Finding the Fourth Proportional to 393,052.37, 542,357.57 and 220,946.00

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Solution

The fourth proportional to 393,052.37, 542,357.57 and 220,946.00 is: 304,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,052.37 : 542,357.57 = 220,946.00 : x
  2. Step 2: Convert to fraction form
    393,052.37/542,357.57 = 220,946.00/x
  3. Step 3: Cross multiply
    393,052.37x = 542,357.57 × 220,946.00
  4. Step 4: Simplify right side
    393,052.37x = 119,831,731,844.70
  5. Step 5: Solve for x
    x = 119,831,731,844.70/393,052.37
  6. Step 6: Final answer
    x = 304,874.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.