Home / 272,785.08-376,443-151,936.86

Finding the Fourth Proportional to 272,785.08, 376,443 and 151,936.86

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Solution

The fourth proportional to 272,785.08, 376,443 and 151,936.86 is: 209,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,785.08 : 376,443 = 151,936.86 : x
  2. Step 2: Convert to fraction form
    272,785.08/376,443 = 151,936.86/x
  3. Step 3: Cross multiply
    272,785.08x = 376,443 × 151,936.86
  4. Step 4: Simplify right side
    272,785.08x = 57,195,567,388.98
  5. Step 5: Solve for x
    x = 57,195,567,388.98/272,785.08
  6. Step 6: Final answer
    x = 209,672.64

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1.5x scale

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.