Home / 445,539.08-668,447.18-146,022.28

Finding the Fourth Proportional to 445,539.08, 668,447.18 and 146,022.28

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Solution

The fourth proportional to 445,539.08, 668,447.18 and 146,022.28 is: 219,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,539.08 : 668,447.18 = 146,022.28 : x
  2. Step 2: Convert to fraction form
    445,539.08/668,447.18 = 146,022.28/x
  3. Step 3: Cross multiply
    445,539.08x = 668,447.18 × 146,022.28
  4. Step 4: Simplify right side
    445,539.08x = 97,608,181,283.17
  5. Step 5: Solve for x
    x = 97,608,181,283.17/445,539.08
  6. Step 6: Final answer
    x = 219,078.83

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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.