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Finding the Fourth Proportional to 303,979.68, 419,513.67 and 168,010.68

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Solution

The fourth proportional to 303,979.68, 419,513.67 and 168,010.68 is: 231,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,979.68 : 419,513.67 = 168,010.68 : x
  2. Step 2: Convert to fraction form
    303,979.68/419,513.67 = 168,010.68/x
  3. Step 3: Cross multiply
    303,979.68x = 419,513.67 × 168,010.68
  4. Step 4: Simplify right side
    303,979.68x = 70,482,776,966.00
  5. Step 5: Solve for x
    x = 70,482,776,966.00/303,979.68
  6. Step 6: Final answer
    x = 231,866.74

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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.