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Finding the Fourth Proportional to 310,016.43, 427,885.74 and 179,199.72

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Solution

The fourth proportional to 310,016.43, 427,885.74 and 179,199.72 is: 247,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,016.43 : 427,885.74 = 179,199.72 : x
  2. Step 2: Convert to fraction form
    310,016.43/427,885.74 = 179,199.72/x
  3. Step 3: Cross multiply
    310,016.43x = 427,885.74 × 179,199.72
  4. Step 4: Simplify right side
    310,016.43x = 76,677,004,799.99
  5. Step 5: Solve for x
    x = 76,677,004,799.99/310,016.43
  6. Step 6: Final answer
    x = 247,332.07

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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.