Home / 382,015.40-571,856.70-298,034.60

Finding the Fourth Proportional to 382,015.40, 571,856.70 and 298,034.60

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Solution

The fourth proportional to 382,015.40, 571,856.70 and 298,034.60 is: 446,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,015.40 : 571,856.70 = 298,034.60 : x
  2. Step 2: Convert to fraction form
    382,015.40/571,856.70 = 298,034.60/x
  3. Step 3: Cross multiply
    382,015.40x = 571,856.70 × 298,034.60
  4. Step 4: Simplify right side
    382,015.40x = 170,433,082,841.82
  5. Step 5: Solve for x
    x = 170,433,082,841.82/382,015.40
  6. Step 6: Final answer
    x = 446,141.92

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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.