Home / 370,968.04-511,889.35-220,035.88

Finding the Fourth Proportional to 370,968.04, 511,889.35 and 220,035.88

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Solution

The fourth proportional to 370,968.04, 511,889.35 and 220,035.88 is: 303,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,968.04 : 511,889.35 = 220,035.88 : x
  2. Step 2: Convert to fraction form
    370,968.04/511,889.35 = 220,035.88/x
  3. Step 3: Cross multiply
    370,968.04x = 511,889.35 × 220,035.88
  4. Step 4: Simplify right side
    370,968.04x = 112,634,019,930.25
  5. Step 5: Solve for x
    x = 112,634,019,930.25/370,968.04
  6. Step 6: Final answer
    x = 303,621.90

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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.