Home / 272,645.20-376,241.16-153,390.16

Finding the Fourth Proportional to 272,645.20, 376,241.16 and 153,390.16

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Solution

The fourth proportional to 272,645.20, 376,241.16 and 153,390.16 is: 211,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,645.20 : 376,241.16 = 153,390.16 : x
  2. Step 2: Convert to fraction form
    272,645.20/376,241.16 = 153,390.16/x
  3. Step 3: Cross multiply
    272,645.20x = 376,241.16 × 153,390.16
  4. Step 4: Simplify right side
    272,645.20x = 57,711,691,730.99
  5. Step 5: Solve for x
    x = 57,711,691,730.99/272,645.20
  6. Step 6: Final answer
    x = 211,673.24

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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.