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Finding the Fourth Proportional to 366,880.05, 505,862.28 and 339,673.77

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Solution

The fourth proportional to 366,880.05, 505,862.28 and 339,673.77 is: 468,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,880.05 : 505,862.28 = 339,673.77 : x
  2. Step 2: Convert to fraction form
    366,880.05/505,862.28 = 339,673.77/x
  3. Step 3: Cross multiply
    366,880.05x = 505,862.28 × 339,673.77
  4. Step 4: Simplify right side
    366,880.05x = 171,828,147,748.40
  5. Step 5: Solve for x
    x = 171,828,147,748.40/366,880.05
  6. Step 6: Final answer
    x = 468,349.66

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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.