Home / 298,947.40-448,421.10-111,934.60

Finding the Fourth Proportional to 298,947.40, 448,421.10 and 111,934.60

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Solution

The fourth proportional to 298,947.40, 448,421.10 and 111,934.60 is: 167,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,947.40 : 448,421.10 = 111,934.60 : x
  2. Step 2: Convert to fraction form
    298,947.40/448,421.10 = 111,934.60/x
  3. Step 3: Cross multiply
    298,947.40x = 448,421.10 × 111,934.60
  4. Step 4: Simplify right side
    298,947.40x = 50,193,836,460.06
  5. Step 5: Solve for x
    x = 50,193,836,460.06/298,947.40
  6. Step 6: Final answer
    x = 167,901.90

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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.