Home / 272,581.85-376,162.89-151,720.53

Finding the Fourth Proportional to 272,581.85, 376,162.89 and 151,720.53

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Solution

The fourth proportional to 272,581.85, 376,162.89 and 151,720.53 is: 209,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,581.85 : 376,162.89 = 151,720.53 : x
  2. Step 2: Convert to fraction form
    272,581.85/376,162.89 = 151,720.53/x
  3. Step 3: Cross multiply
    272,581.85x = 376,162.89 × 151,720.53
  4. Step 4: Simplify right side
    272,581.85x = 57,071,633,037.13
  5. Step 5: Solve for x
    x = 57,071,633,037.13/272,581.85
  6. Step 6: Final answer
    x = 209,374.30

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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.