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Finding the Fourth Proportional to 288,716.07, 433,200.71 and 137,022.71

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Solution

The fourth proportional to 288,716.07, 433,200.71 and 137,022.71 is: 205,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,716.07 : 433,200.71 = 137,022.71 : x
  2. Step 2: Convert to fraction form
    288,716.07/433,200.71 = 137,022.71/x
  3. Step 3: Cross multiply
    288,716.07x = 433,200.71 × 137,022.71
  4. Step 4: Simplify right side
    288,716.07x = 59,358,334,573.01
  5. Step 5: Solve for x
    x = 59,358,334,573.01/288,716.07
  6. Step 6: Final answer
    x = 205,594.15

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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.