Home / 272,585.96-376,172.88-151,728.56

Finding the Fourth Proportional to 272,585.96, 376,172.88 and 151,728.56

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Solution

The fourth proportional to 272,585.96, 376,172.88 and 151,728.56 is: 209,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,585.96 : 376,172.88 = 151,728.56 : x
  2. Step 2: Convert to fraction form
    272,585.96/376,172.88 = 151,728.56/x
  3. Step 3: Cross multiply
    272,585.96x = 376,172.88 × 151,728.56
  4. Step 4: Simplify right side
    272,585.96x = 57,076,169,393.45
  5. Step 5: Solve for x
    x = 57,076,169,393.45/272,585.96
  6. Step 6: Final answer
    x = 209,387.78

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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.