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Finding the Fourth Proportional to 281,344.68, 422,017.02 and 94,355.64

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Solution

The fourth proportional to 281,344.68, 422,017.02 and 94,355.64 is: 141,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,344.68 : 422,017.02 = 94,355.64 : x
  2. Step 2: Convert to fraction form
    281,344.68/422,017.02 = 94,355.64/x
  3. Step 3: Cross multiply
    281,344.68x = 422,017.02 × 94,355.64
  4. Step 4: Simplify right side
    281,344.68x = 39,819,686,012.99
  5. Step 5: Solve for x
    x = 39,819,686,012.99/281,344.68
  6. Step 6: Final answer
    x = 141,533.46

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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.