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Finding the Fourth Proportional to 281,342.68, 422,014.02 and 94,353.64

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Solution

The fourth proportional to 281,342.68, 422,014.02 and 94,353.64 is: 141,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,342.68 : 422,014.02 = 94,353.64 : x
  2. Step 2: Convert to fraction form
    281,342.68/422,014.02 = 94,353.64/x
  3. Step 3: Cross multiply
    281,342.68x = 422,014.02 × 94,353.64
  4. Step 4: Simplify right side
    281,342.68x = 39,818,558,918.03
  5. Step 5: Solve for x
    x = 39,818,558,918.03/281,342.68
  6. Step 6: Final answer
    x = 141,530.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.