Home / 370,485.29-511,272.18-200,719.41

Finding the Fourth Proportional to 370,485.29, 511,272.18 and 200,719.41

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Solution

The fourth proportional to 370,485.29, 511,272.18 and 200,719.41 is: 276,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,485.29 : 511,272.18 = 200,719.41 : x
  2. Step 2: Convert to fraction form
    370,485.29/511,272.18 = 200,719.41/x
  3. Step 3: Cross multiply
    370,485.29x = 511,272.18 × 200,719.41
  4. Step 4: Simplify right side
    370,485.29x = 102,622,250,319.01
  5. Step 5: Solve for x
    x = 102,622,250,319.01/370,485.29
  6. Step 6: Final answer
    x = 276,994.13

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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.