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Finding the Fourth Proportional to 383,652, 575,711.28 and 162,036

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Solution

The fourth proportional to 383,652, 575,711.28 and 162,036 is: 243,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,652 : 575,711.28 = 162,036 : x
  2. Step 2: Convert to fraction form
    383,652/575,711.28 = 162,036/x
  3. Step 3: Cross multiply
    383,652x = 575,711.28 × 162,036
  4. Step 4: Simplify right side
    383,652x = 93,285,952,966.08
  5. Step 5: Solve for x
    x = 93,285,952,966.08/383,652
  6. Step 6: Final answer
    x = 243,152.53

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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.