Home / 298,278.74-447,419.04-73,639.20

Finding the Fourth Proportional to 298,278.74, 447,419.04 and 73,639.20

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Solution

The fourth proportional to 298,278.74, 447,419.04 and 73,639.20 is: 110,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,278.74 : 447,419.04 = 73,639.20 : x
  2. Step 2: Convert to fraction form
    298,278.74/447,419.04 = 73,639.20/x
  3. Step 3: Cross multiply
    298,278.74x = 447,419.04 × 73,639.20
  4. Step 4: Simplify right side
    298,278.74x = 32,947,580,170.37
  5. Step 5: Solve for x
    x = 32,947,580,170.37/298,278.74
  6. Step 6: Final answer
    x = 110,459.03

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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.