Home / 274,569.44-378,913.04-153,710.20

Finding the Fourth Proportional to 274,569.44, 378,913.04 and 153,710.20

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Solution

The fourth proportional to 274,569.44, 378,913.04 and 153,710.20 is: 212,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,569.44 : 378,913.04 = 153,710.20 : x
  2. Step 2: Convert to fraction form
    274,569.44/378,913.04 = 153,710.20/x
  3. Step 3: Cross multiply
    274,569.44x = 378,913.04 × 153,710.20
  4. Step 4: Simplify right side
    274,569.44x = 58,242,799,161.01
  5. Step 5: Solve for x
    x = 58,242,799,161.01/274,569.44
  6. Step 6: Final answer
    x = 212,124.11

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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.