Home / 315,962.24-436,037.38-172,729.94

Finding the Fourth Proportional to 315,962.24, 436,037.38 and 172,729.94

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Solution

The fourth proportional to 315,962.24, 436,037.38 and 172,729.94 is: 238,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,962.24 : 436,037.38 = 172,729.94 : x
  2. Step 2: Convert to fraction form
    315,962.24/436,037.38 = 172,729.94/x
  3. Step 3: Cross multiply
    315,962.24x = 436,037.38 × 172,729.94
  4. Step 4: Simplify right side
    315,962.24x = 75,316,707,873.15
  5. Step 5: Solve for x
    x = 75,316,707,873.15/315,962.24
  6. Step 6: Final answer
    x = 238,372.50

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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.