Home / 349,979.36-525,052.33-113,321.93

Finding the Fourth Proportional to 349,979.36, 525,052.33 and 113,321.93

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Solution

The fourth proportional to 349,979.36, 525,052.33 and 113,321.93 is: 170,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,979.36 : 525,052.33 = 113,321.93 : x
  2. Step 2: Convert to fraction form
    349,979.36/525,052.33 = 113,321.93/x
  3. Step 3: Cross multiply
    349,979.36x = 525,052.33 × 113,321.93
  4. Step 4: Simplify right side
    349,979.36x = 59,499,940,478.03
  5. Step 5: Solve for x
    x = 59,499,940,478.03/349,979.36
  6. Step 6: Final answer
    x = 170,009.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.