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Finding the Fourth Proportional to 245,880.61, 339,330.90 and 149,093.71

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Solution

The fourth proportional to 245,880.61, 339,330.90 and 149,093.71 is: 205,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,880.61 : 339,330.90 = 149,093.71 : x
  2. Step 2: Convert to fraction form
    245,880.61/339,330.90 = 149,093.71/x
  3. Step 3: Cross multiply
    245,880.61x = 339,330.90 × 149,093.71
  4. Step 4: Simplify right side
    245,880.61x = 50,592,102,509.41
  5. Step 5: Solve for x
    x = 50,592,102,509.41/245,880.61
  6. Step 6: Final answer
    x = 205,758.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.