Home / 340,629.84-470,069.32-197,472.86

Finding the Fourth Proportional to 340,629.84, 470,069.32 and 197,472.86

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Solution

The fourth proportional to 340,629.84, 470,069.32 and 197,472.86 is: 272,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,629.84 : 470,069.32 = 197,472.86 : x
  2. Step 2: Convert to fraction form
    340,629.84/470,069.32 = 197,472.86/x
  3. Step 3: Cross multiply
    340,629.84x = 470,069.32 × 197,472.86
  4. Step 4: Simplify right side
    340,629.84x = 92,825,933,018.66
  5. Step 5: Solve for x
    x = 92,825,933,018.66/340,629.84
  6. Step 6: Final answer
    x = 272,512.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.