Home / 272,290.06-375,738.51-151,431.58

Finding the Fourth Proportional to 272,290.06, 375,738.51 and 151,431.58

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Solution

The fourth proportional to 272,290.06, 375,738.51 and 151,431.58 is: 208,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,290.06 : 375,738.51 = 151,431.58 : x
  2. Step 2: Convert to fraction form
    272,290.06/375,738.51 = 151,431.58/x
  3. Step 3: Cross multiply
    272,290.06x = 375,738.51 × 151,431.58
  4. Step 4: Simplify right side
    272,290.06x = 56,898,676,236.15
  5. Step 5: Solve for x
    x = 56,898,676,236.15/272,290.06
  6. Step 6: Final answer
    x = 208,963.47

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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.