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Finding the Fourth Proportional to 571,272.65, 856,999.64 and 229,715.19

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Solution

The fourth proportional to 571,272.65, 856,999.64 and 229,715.19 is: 344,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,272.65 : 856,999.64 = 229,715.19 : x
  2. Step 2: Convert to fraction form
    571,272.65/856,999.64 = 229,715.19/x
  3. Step 3: Cross multiply
    571,272.65x = 856,999.64 × 229,715.19
  4. Step 4: Simplify right side
    571,272.65x = 196,865,835,706.82
  5. Step 5: Solve for x
    x = 196,865,835,706.82/571,272.65
  6. Step 6: Final answer
    x = 344,609.24

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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.