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Finding the Fourth Proportional to 215,329.84, 322,756.90 and 88,900.39

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Solution

The fourth proportional to 215,329.84, 322,756.90 and 88,900.39 is: 133,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,329.84 : 322,756.90 = 88,900.39 : x
  2. Step 2: Convert to fraction form
    215,329.84/322,756.90 = 88,900.39/x
  3. Step 3: Cross multiply
    215,329.84x = 322,756.90 × 88,900.39
  4. Step 4: Simplify right side
    215,329.84x = 28,693,213,150.94
  5. Step 5: Solve for x
    x = 28,693,213,150.94/215,329.84
  6. Step 6: Final answer
    x = 133,252.38

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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.