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Finding the Fourth Proportional to 343,582.89, 474,166.82 and 198,394.80

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Solution

The fourth proportional to 343,582.89, 474,166.82 and 198,394.80 is: 273,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,582.89 : 474,166.82 = 198,394.80 : x
  2. Step 2: Convert to fraction form
    343,582.89/474,166.82 = 198,394.80/x
  3. Step 3: Cross multiply
    343,582.89x = 474,166.82 × 198,394.80
  4. Step 4: Simplify right side
    343,582.89x = 94,072,230,428.56
  5. Step 5: Solve for x
    x = 94,072,230,428.56/343,582.89
  6. Step 6: Final answer
    x = 273,797.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.