Home / 315,721.14-473,768.60-116,181.69

Finding the Fourth Proportional to 315,721.14, 473,768.60 and 116,181.69

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Solution

The fourth proportional to 315,721.14, 473,768.60 and 116,181.69 is: 174,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,721.14 : 473,768.60 = 116,181.69 : x
  2. Step 2: Convert to fraction form
    315,721.14/473,768.60 = 116,181.69/x
  3. Step 3: Cross multiply
    315,721.14x = 473,768.60 × 116,181.69
  4. Step 4: Simplify right side
    315,721.14x = 55,043,236,616.93
  5. Step 5: Solve for x
    x = 55,043,236,616.93/315,721.14
  6. Step 6: Final answer
    x = 174,341.31

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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.