Home / 272,309.06-375,784.41-149,798.80

Finding the Fourth Proportional to 272,309.06, 375,784.41 and 149,798.80

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Solution

The fourth proportional to 272,309.06, 375,784.41 and 149,798.80 is: 206,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,309.06 : 375,784.41 = 149,798.80 : x
  2. Step 2: Convert to fraction form
    272,309.06/375,784.41 = 149,798.80/x
  3. Step 3: Cross multiply
    272,309.06x = 375,784.41 × 149,798.80
  4. Step 4: Simplify right side
    272,309.06x = 56,292,053,676.71
  5. Step 5: Solve for x
    x = 56,292,053,676.71/272,309.06
  6. Step 6: Final answer
    x = 206,721.19

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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.