Home / 306,084.12-422,274.60-176,998.72

Finding the Fourth Proportional to 306,084.12, 422,274.60 and 176,998.72

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Solution

The fourth proportional to 306,084.12, 422,274.60 and 176,998.72 is: 244,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,084.12 : 422,274.60 = 176,998.72 : x
  2. Step 2: Convert to fraction form
    306,084.12/422,274.60 = 176,998.72/x
  3. Step 3: Cross multiply
    306,084.12x = 422,274.60 × 176,998.72
  4. Step 4: Simplify right side
    306,084.12x = 74,742,063,688.51
  5. Step 5: Solve for x
    x = 74,742,063,688.51/306,084.12
  6. Step 6: Final answer
    x = 244,187.98

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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.