Home / 272,579.72-376,159.97-151,718.40

Finding the Fourth Proportional to 272,579.72, 376,159.97 and 151,718.40

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Solution

The fourth proportional to 272,579.72, 376,159.97 and 151,718.40 is: 209,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,579.72 : 376,159.97 = 151,718.40 : x
  2. Step 2: Convert to fraction form
    272,579.72/376,159.97 = 151,718.40/x
  3. Step 3: Cross multiply
    272,579.72x = 376,159.97 × 151,718.40
  4. Step 4: Simplify right side
    272,579.72x = 57,070,388,792.45
  5. Step 5: Solve for x
    x = 57,070,388,792.45/272,579.72
  6. Step 6: Final answer
    x = 209,371.37

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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.