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Finding the Fourth Proportional to 297,330.86, 410,316.89 and 161,364.85

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Solution

The fourth proportional to 297,330.86, 410,316.89 and 161,364.85 is: 222,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,330.86 : 410,316.89 = 161,364.85 : x
  2. Step 2: Convert to fraction form
    297,330.86/410,316.89 = 161,364.85/x
  3. Step 3: Cross multiply
    297,330.86x = 410,316.89 × 161,364.85
  4. Step 4: Simplify right side
    297,330.86x = 66,210,721,574.70
  5. Step 5: Solve for x
    x = 66,210,721,574.70/297,330.86
  6. Step 6: Final answer
    x = 222,683.65

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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.