Home / 274,547.07-378,679.66-251,959.01

Finding the Fourth Proportional to 274,547.07, 378,679.66 and 251,959.01

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Solution

The fourth proportional to 274,547.07, 378,679.66 and 251,959.01 is: 347,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,547.07 : 378,679.66 = 251,959.01 : x
  2. Step 2: Convert to fraction form
    274,547.07/378,679.66 = 251,959.01/x
  3. Step 3: Cross multiply
    274,547.07x = 378,679.66 × 251,959.01
  4. Step 4: Simplify right side
    274,547.07x = 95,411,749,717.44
  5. Step 5: Solve for x
    x = 95,411,749,717.44/274,547.07
  6. Step 6: Final answer
    x = 347,524.20

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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.