Home / 306,084.06-422,330.40-178,701.84

Finding the Fourth Proportional to 306,084.06, 422,330.40 and 178,701.84

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Solution

The fourth proportional to 306,084.06, 422,330.40 and 178,701.84 is: 246,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,084.06 : 422,330.40 = 178,701.84 : x
  2. Step 2: Convert to fraction form
    306,084.06/422,330.40 = 178,701.84/x
  3. Step 3: Cross multiply
    306,084.06x = 422,330.40 × 178,701.84
  4. Step 4: Simplify right side
    306,084.06x = 75,471,219,567.94
  5. Step 5: Solve for x
    x = 75,471,219,567.94/306,084.06
  6. Step 6: Final answer
    x = 246,570.24

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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.