Home / 346,929.78-478,843.12-225,860.26

Finding the Fourth Proportional to 346,929.78, 478,843.12 and 225,860.26

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Solution

The fourth proportional to 346,929.78, 478,843.12 and 225,860.26 is: 311,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,929.78 : 478,843.12 = 225,860.26 : x
  2. Step 2: Convert to fraction form
    346,929.78/478,843.12 = 225,860.26/x
  3. Step 3: Cross multiply
    346,929.78x = 478,843.12 × 225,860.26
  4. Step 4: Simplify right side
    346,929.78x = 108,151,631,582.41
  5. Step 5: Solve for x
    x = 108,151,631,582.41/346,929.78
  6. Step 6: Final answer
    x = 311,739.26

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1.5x scale

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.