Home / 298,420.35-447,635.18-166,141.38

Finding the Fourth Proportional to 298,420.35, 447,635.18 and 166,141.38

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Solution

The fourth proportional to 298,420.35, 447,635.18 and 166,141.38 is: 249,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,420.35 : 447,635.18 = 166,141.38 : x
  2. Step 2: Convert to fraction form
    298,420.35/447,635.18 = 166,141.38/x
  3. Step 3: Cross multiply
    298,420.35x = 447,635.18 × 166,141.38
  4. Step 4: Simplify right side
    298,420.35x = 74,370,726,541.75
  5. Step 5: Solve for x
    x = 74,370,726,541.75/298,420.35
  6. Step 6: Final answer
    x = 249,214.66

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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.