Home / 272,003.19-375,359.43-151,142.28

Finding the Fourth Proportional to 272,003.19, 375,359.43 and 151,142.28

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Solution

The fourth proportional to 272,003.19, 375,359.43 and 151,142.28 is: 208,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,003.19 : 375,359.43 = 151,142.28 : x
  2. Step 2: Convert to fraction form
    272,003.19/375,359.43 = 151,142.28/x
  3. Step 3: Cross multiply
    272,003.19x = 375,359.43 × 151,142.28
  4. Step 4: Simplify right side
    272,003.19x = 56,732,680,069.70
  5. Step 5: Solve for x
    x = 56,732,680,069.70/272,003.19
  6. Step 6: Final answer
    x = 208,573.58

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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.