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Finding the Fourth Proportional to 464,596.86, 641,065.95 and 273,648.27

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Solution

The fourth proportional to 464,596.86, 641,065.95 and 273,648.27 is: 377,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,596.86 : 641,065.95 = 273,648.27 : x
  2. Step 2: Convert to fraction form
    464,596.86/641,065.95 = 273,648.27/x
  3. Step 3: Cross multiply
    464,596.86x = 641,065.95 × 273,648.27
  4. Step 4: Simplify right side
    464,596.86x = 175,426,588,173.41
  5. Step 5: Solve for x
    x = 175,426,588,173.41/464,596.86
  6. Step 6: Final answer
    x = 377,588.84

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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.