Home / 648,299.64-972,280.02-192,768.20

Finding the Fourth Proportional to 648,299.64, 972,280.02 and 192,768.20

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Solution

The fourth proportional to 648,299.64, 972,280.02 and 192,768.20 is: 289,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,299.64 : 972,280.02 = 192,768.20 : x
  2. Step 2: Convert to fraction form
    648,299.64/972,280.02 = 192,768.20/x
  3. Step 3: Cross multiply
    648,299.64x = 972,280.02 × 192,768.20
  4. Step 4: Simplify right side
    648,299.64x = 187,424,669,351.36
  5. Step 5: Solve for x
    x = 187,424,669,351.36/648,299.64
  6. Step 6: Final answer
    x = 289,101.92

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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.