Home / 349,976.16-525,047.85-113,319.09

Finding the Fourth Proportional to 349,976.16, 525,047.85 and 113,319.09

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Solution

The fourth proportional to 349,976.16, 525,047.85 and 113,319.09 is: 170,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,976.16 : 525,047.85 = 113,319.09 : x
  2. Step 2: Convert to fraction form
    349,976.16/525,047.85 = 113,319.09/x
  3. Step 3: Cross multiply
    349,976.16x = 525,047.85 × 113,319.09
  4. Step 4: Simplify right side
    349,976.16x = 59,497,944,568.46
  5. Step 5: Solve for x
    x = 59,497,944,568.46/349,976.16
  6. Step 6: Final answer
    x = 170,005.71

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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.