Home / 340,931.43-470,477.97-197,704.80

Finding the Fourth Proportional to 340,931.43, 470,477.97 and 197,704.80

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Solution

The fourth proportional to 340,931.43, 470,477.97 and 197,704.80 is: 272,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,931.43 : 470,477.97 = 197,704.80 : x
  2. Step 2: Convert to fraction form
    340,931.43/470,477.97 = 197,704.80/x
  3. Step 3: Cross multiply
    340,931.43x = 470,477.97 × 197,704.80
  4. Step 4: Simplify right side
    340,931.43x = 93,015,752,963.26
  5. Step 5: Solve for x
    x = 93,015,752,963.26/340,931.43
  6. Step 6: Final answer
    x = 272,828.33

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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.