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Finding the Fourth Proportional to 460,304.75, 690,465.77 and 127,889.39

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Solution

The fourth proportional to 460,304.75, 690,465.77 and 127,889.39 is: 191,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,304.75 : 690,465.77 = 127,889.39 : x
  2. Step 2: Convert to fraction form
    460,304.75/690,465.77 = 127,889.39/x
  3. Step 3: Cross multiply
    460,304.75x = 690,465.77 × 127,889.39
  4. Step 4: Simplify right side
    460,304.75x = 88,303,246,141.18
  5. Step 5: Solve for x
    x = 88,303,246,141.18/460,304.75
  6. Step 6: Final answer
    x = 191,836.49

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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.