Home / 340,929.78-470,442.02-195,727.56

Finding the Fourth Proportional to 340,929.78, 470,442.02 and 195,727.56

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Solution

The fourth proportional to 340,929.78, 470,442.02 and 195,727.56 is: 270,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,929.78 : 470,442.02 = 195,727.56 : x
  2. Step 2: Convert to fraction form
    340,929.78/470,442.02 = 195,727.56/x
  3. Step 3: Cross multiply
    340,929.78x = 470,442.02 × 195,727.56
  4. Step 4: Simplify right side
    340,929.78x = 92,078,468,696.07
  5. Step 5: Solve for x
    x = 92,078,468,696.07/340,929.78
  6. Step 6: Final answer
    x = 270,080.45

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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.