Home / 277,109.17-415,661.25-87,569.57

Finding the Fourth Proportional to 277,109.17, 415,661.25 and 87,569.57

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Solution

The fourth proportional to 277,109.17, 415,661.25 and 87,569.57 is: 131,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,109.17 : 415,661.25 = 87,569.57 : x
  2. Step 2: Convert to fraction form
    277,109.17/415,661.25 = 87,569.57/x
  3. Step 3: Cross multiply
    277,109.17x = 415,661.25 × 87,569.57
  4. Step 4: Simplify right side
    277,109.17x = 36,399,276,928.16
  5. Step 5: Solve for x
    x = 36,399,276,928.16/277,109.17
  6. Step 6: Final answer
    x = 131,353.56

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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.