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Finding the Fourth Proportional to 340,084.79, 469,320.96 and 194,887.70

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Solution

The fourth proportional to 340,084.79, 469,320.96 and 194,887.70 is: 268,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,084.79 : 469,320.96 = 194,887.70 : x
  2. Step 2: Convert to fraction form
    340,084.79/469,320.96 = 194,887.70/x
  3. Step 3: Cross multiply
    340,084.79x = 469,320.96 × 194,887.70
  4. Step 4: Simplify right side
    340,084.79x = 91,464,882,456.19
  5. Step 5: Solve for x
    x = 91,464,882,456.19/340,084.79
  6. Step 6: Final answer
    x = 268,947.29

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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.