Home / 253,229.30-349,564.03-157,783.15

Finding the Fourth Proportional to 253,229.30, 349,564.03 and 157,783.15

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Solution

The fourth proportional to 253,229.30, 349,564.03 and 157,783.15 is: 217,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,229.30 : 349,564.03 = 157,783.15 : x
  2. Step 2: Convert to fraction form
    253,229.30/349,564.03 = 157,783.15/x
  3. Step 3: Cross multiply
    253,229.30x = 349,564.03 × 157,783.15
  4. Step 4: Simplify right side
    253,229.30x = 55,155,313,780.09
  5. Step 5: Solve for x
    x = 55,155,313,780.09/253,229.30
  6. Step 6: Final answer
    x = 217,807.79

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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.