Home / 272,449.78-375,974.81-157,733.26

Finding the Fourth Proportional to 272,449.78, 375,974.81 and 157,733.26

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Solution

The fourth proportional to 272,449.78, 375,974.81 and 157,733.26 is: 217,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,449.78 : 375,974.81 = 157,733.26 : x
  2. Step 2: Convert to fraction form
    272,449.78/375,974.81 = 157,733.26/x
  3. Step 3: Cross multiply
    272,449.78x = 375,974.81 × 157,733.26
  4. Step 4: Simplify right side
    272,449.78x = 59,303,731,670.51
  5. Step 5: Solve for x
    x = 59,303,731,670.51/272,449.78
  6. Step 6: Final answer
    x = 217,668.49

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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.