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Finding the Fourth Proportional to 577,350.72, 866,006.64 and 203,364

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Solution

The fourth proportional to 577,350.72, 866,006.64 and 203,364 is: 305,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,350.72 : 866,006.64 = 203,364 : x
  2. Step 2: Convert to fraction form
    577,350.72/866,006.64 = 203,364/x
  3. Step 3: Cross multiply
    577,350.72x = 866,006.64 × 203,364
  4. Step 4: Simplify right side
    577,350.72x = 176,114,574,336.96
  5. Step 5: Solve for x
    x = 176,114,574,336.96/577,350.72
  6. Step 6: Final answer
    x = 305,039.15

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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.