Home / 370,619.83-511,073.48-317,082.07

Finding the Fourth Proportional to 370,619.83, 511,073.48 and 317,082.07

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Solution

The fourth proportional to 370,619.83, 511,073.48 and 317,082.07 is: 437,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,619.83 : 511,073.48 = 317,082.07 : x
  2. Step 2: Convert to fraction form
    370,619.83/511,073.48 = 317,082.07/x
  3. Step 3: Cross multiply
    370,619.83x = 511,073.48 × 317,082.07
  4. Step 4: Simplify right side
    370,619.83x = 162,052,234,405.14
  5. Step 5: Solve for x
    x = 162,052,234,405.14/370,619.83
  6. Step 6: Final answer
    x = 437,246.54

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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.