Home / 298,419.35-447,633.68-166,140.38

Finding the Fourth Proportional to 298,419.35, 447,633.68 and 166,140.38

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Solution

The fourth proportional to 298,419.35, 447,633.68 and 166,140.38 is: 249,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,419.35 : 447,633.68 = 166,140.38 : x
  2. Step 2: Convert to fraction form
    298,419.35/447,633.68 = 166,140.38/x
  3. Step 3: Cross multiply
    298,419.35x = 447,633.68 × 166,140.38
  4. Step 4: Simplify right side
    298,419.35x = 74,370,029,984.38
  5. Step 5: Solve for x
    x = 74,370,029,984.38/298,419.35
  6. Step 6: Final answer
    x = 249,213.16

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1.5x scale

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.