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Finding the Fourth Proportional to 464,585.36, 641,050.06 and 273,636.76

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Solution

The fourth proportional to 464,585.36, 641,050.06 and 273,636.76 is: 377,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,585.36 : 641,050.06 = 273,636.76 : x
  2. Step 2: Convert to fraction form
    464,585.36/641,050.06 = 273,636.76/x
  3. Step 3: Cross multiply
    464,585.36x = 641,050.06 × 273,636.76
  4. Step 4: Simplify right side
    464,585.36x = 175,414,861,416.21
  5. Step 5: Solve for x
    x = 175,414,861,416.21/464,585.36
  6. Step 6: Final answer
    x = 377,572.94

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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.