Home / 274,009.86-378,132.02-153,150.94

Finding the Fourth Proportional to 274,009.86, 378,132.02 and 153,150.94

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Solution

The fourth proportional to 274,009.86, 378,132.02 and 153,150.94 is: 211,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,009.86 : 378,132.02 = 153,150.94 : x
  2. Step 2: Convert to fraction form
    274,009.86/378,132.02 = 153,150.94/x
  3. Step 3: Cross multiply
    274,009.86x = 378,132.02 × 153,150.94
  4. Step 4: Simplify right side
    274,009.86x = 57,911,274,307.10
  5. Step 5: Solve for x
    x = 57,911,274,307.10/274,009.86
  6. Step 6: Final answer
    x = 211,347.41

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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.