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Finding the Fourth Proportional to 571,141.28, 856,820.08 and 229,611.12

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Solution

The fourth proportional to 571,141.28, 856,820.08 and 229,611.12 is: 344,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,141.28 : 856,820.08 = 229,611.12 : x
  2. Step 2: Convert to fraction form
    571,141.28/856,820.08 = 229,611.12/x
  3. Step 3: Cross multiply
    571,141.28x = 856,820.08 × 229,611.12
  4. Step 4: Simplify right side
    571,141.28x = 196,735,418,207.29
  5. Step 5: Solve for x
    x = 196,735,418,207.29/571,141.28
  6. Step 6: Final answer
    x = 344,460.16

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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.