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Finding the Fourth Proportional to 577,352.72, 866,009.64 and 203,366

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Solution

The fourth proportional to 577,352.72, 866,009.64 and 203,366 is: 305,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,352.72 : 866,009.64 = 203,366 : x
  2. Step 2: Convert to fraction form
    577,352.72/866,009.64 = 203,366/x
  3. Step 3: Cross multiply
    577,352.72x = 866,009.64 × 203,366
  4. Step 4: Simplify right side
    577,352.72x = 176,116,916,448.24
  5. Step 5: Solve for x
    x = 176,116,916,448.24/577,352.72
  6. Step 6: Final answer
    x = 305,042.15

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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.