Home / 219,965.36-303,689.78-151,173.32

Finding the Fourth Proportional to 219,965.36, 303,689.78 and 151,173.32

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Solution

The fourth proportional to 219,965.36, 303,689.78 and 151,173.32 is: 208,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.36 : 303,689.78 = 151,173.32 : x
  2. Step 2: Convert to fraction form
    219,965.36/303,689.78 = 151,173.32/x
  3. Step 3: Cross multiply
    219,965.36x = 303,689.78 × 151,173.32
  4. Step 4: Simplify right side
    219,965.36x = 45,909,790,018.35
  5. Step 5: Solve for x
    x = 45,909,790,018.35/219,965.36
  6. Step 6: Final answer
    x = 208,713.73

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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.