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Finding the Fourth Proportional to 462,004.40, 693,052 and 192,076.80

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Solution

The fourth proportional to 462,004.40, 693,052 and 192,076.80 is: 288,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,004.40 : 693,052 = 192,076.80 : x
  2. Step 2: Convert to fraction form
    462,004.40/693,052 = 192,076.80/x
  3. Step 3: Cross multiply
    462,004.40x = 693,052 × 192,076.80
  4. Step 4: Simplify right side
    462,004.40x = 133,119,210,393.60
  5. Step 5: Solve for x
    x = 133,119,210,393.60/462,004.40
  6. Step 6: Final answer
    x = 288,134.07

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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.