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Finding the Fourth Proportional to 230,855.28, 346,248.28 and 73,063.28

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Solution

The fourth proportional to 230,855.28, 346,248.28 and 73,063.28 is: 109,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,855.28 : 346,248.28 = 73,063.28 : x
  2. Step 2: Convert to fraction form
    230,855.28/346,248.28 = 73,063.28/x
  3. Step 3: Cross multiply
    230,855.28x = 346,248.28 × 73,063.28
  4. Step 4: Simplify right side
    230,855.28x = 25,298,035,031.16
  5. Step 5: Solve for x
    x = 25,298,035,031.16/230,855.28
  6. Step 6: Final answer
    x = 109,583.96

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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.