Home / 270,011.07-372,721.50-178,115.76

Finding the Fourth Proportional to 270,011.07, 372,721.50 and 178,115.76

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Solution

The fourth proportional to 270,011.07, 372,721.50 and 178,115.76 is: 245,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,011.07 : 372,721.50 = 178,115.76 : x
  2. Step 2: Convert to fraction form
    270,011.07/372,721.50 = 178,115.76/x
  3. Step 3: Cross multiply
    270,011.07x = 372,721.50 × 178,115.76
  4. Step 4: Simplify right side
    270,011.07x = 66,387,573,240.84
  5. Step 5: Solve for x
    x = 66,387,573,240.84/270,011.07
  6. Step 6: Final answer
    x = 245,869.82

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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.