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Finding the Fourth Proportional to 460,028, 690,042 and 127,604

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Solution

The fourth proportional to 460,028, 690,042 and 127,604 is: 191,406

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,028 : 690,042 = 127,604 : x
  2. Step 2: Convert to fraction form
    460,028/690,042 = 127,604/x
  3. Step 3: Cross multiply
    460,028x = 690,042 × 127,604
  4. Step 4: Simplify right side
    460,028x = 88,052,119,368
  5. Step 5: Solve for x
    x = 88,052,119,368/460,028
  6. Step 6: Final answer
    x = 191,406

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.