Home / 272,850.42-376,483.59-151,988.70

Finding the Fourth Proportional to 272,850.42, 376,483.59 and 151,988.70

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Solution

The fourth proportional to 272,850.42, 376,483.59 and 151,988.70 is: 209,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,850.42 : 376,483.59 = 151,988.70 : x
  2. Step 2: Convert to fraction form
    272,850.42/376,483.59 = 151,988.70/x
  3. Step 3: Cross multiply
    272,850.42x = 376,483.59 × 151,988.70
  4. Step 4: Simplify right side
    272,850.42x = 57,221,251,415.43
  5. Step 5: Solve for x
    x = 57,221,251,415.43/272,850.42
  6. Step 6: Final answer
    x = 209,716.56

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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.