Home / 446,650.20-669,831.32-147,059.48

Finding the Fourth Proportional to 446,650.20, 669,831.32 and 147,059.48

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Solution

The fourth proportional to 446,650.20, 669,831.32 and 147,059.48 is: 220,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,650.20 : 669,831.32 = 147,059.48 : x
  2. Step 2: Convert to fraction form
    446,650.20/669,831.32 = 147,059.48/x
  3. Step 3: Cross multiply
    446,650.20x = 669,831.32 × 147,059.48
  4. Step 4: Simplify right side
    446,650.20x = 98,505,047,649.14
  5. Step 5: Solve for x
    x = 98,505,047,649.14/446,650.20
  6. Step 6: Final answer
    x = 220,541.82

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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.