Home / 346,448.08-478,111.97-199,272.66

Finding the Fourth Proportional to 346,448.08, 478,111.97 and 199,272.66

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Solution

The fourth proportional to 346,448.08, 478,111.97 and 199,272.66 is: 275,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,448.08 : 478,111.97 = 199,272.66 : x
  2. Step 2: Convert to fraction form
    346,448.08/478,111.97 = 199,272.66/x
  3. Step 3: Cross multiply
    346,448.08x = 478,111.97 × 199,272.66
  4. Step 4: Simplify right side
    346,448.08x = 95,274,644,313.47
  5. Step 5: Solve for x
    x = 95,274,644,313.47/346,448.08
  6. Step 6: Final answer
    x = 275,004.11

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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.