Home / 298,146.32-447,222.62-87,788.24

Finding the Fourth Proportional to 298,146.32, 447,222.62 and 87,788.24

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Solution

The fourth proportional to 298,146.32, 447,222.62 and 87,788.24 is: 131,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,146.32 : 447,222.62 = 87,788.24 : x
  2. Step 2: Convert to fraction form
    298,146.32/447,222.62 = 87,788.24/x
  3. Step 3: Cross multiply
    298,146.32x = 447,222.62 × 87,788.24
  4. Step 4: Simplify right side
    298,146.32x = 39,260,886,697.99
  5. Step 5: Solve for x
    x = 39,260,886,697.99/298,146.32
  6. Step 6: Final answer
    x = 131,683.28

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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.