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Finding the Fourth Proportional to 298,275.84, 447,483.83 and 98,596.22

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Solution

The fourth proportional to 298,275.84, 447,483.83 and 98,596.22 is: 147,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,275.84 : 447,483.83 = 98,596.22 : x
  2. Step 2: Convert to fraction form
    298,275.84/447,483.83 = 98,596.22/x
  3. Step 3: Cross multiply
    298,275.84x = 447,483.83 × 98,596.22
  4. Step 4: Simplify right side
    298,275.84x = 44,120,211,418.72
  5. Step 5: Solve for x
    x = 44,120,211,418.72/298,275.84
  6. Step 6: Final answer
    x = 147,917.48

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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.