Home / 315,921.80-473,965.78-113,538.34

Finding the Fourth Proportional to 315,921.80, 473,965.78 and 113,538.34

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Solution

The fourth proportional to 315,921.80, 473,965.78 and 113,538.34 is: 170,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,921.80 : 473,965.78 = 113,538.34 : x
  2. Step 2: Convert to fraction form
    315,921.80/473,965.78 = 113,538.34/x
  3. Step 3: Cross multiply
    315,921.80x = 473,965.78 × 113,538.34
  4. Step 4: Simplify right side
    315,921.80x = 53,813,287,878.01
  5. Step 5: Solve for x
    x = 53,813,287,878.01/315,921.80
  6. Step 6: Final answer
    x = 170,337.37

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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.