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Finding the Fourth Proportional to 463,958.94, 695,938.79 and 127,002.39

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Solution

The fourth proportional to 463,958.94, 695,938.79 and 127,002.39 is: 190,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,958.94 : 695,938.79 = 127,002.39 : x
  2. Step 2: Convert to fraction form
    463,958.94/695,938.79 = 127,002.39/x
  3. Step 3: Cross multiply
    463,958.94x = 695,938.79 × 127,002.39
  4. Step 4: Simplify right side
    463,958.94x = 88,385,889,623.71
  5. Step 5: Solve for x
    x = 88,385,889,623.71/463,958.94
  6. Step 6: Final answer
    x = 190,503.69

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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.