Home / 277,331.28-415,998.14-87,792.58

Finding the Fourth Proportional to 277,331.28, 415,998.14 and 87,792.58

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Solution

The fourth proportional to 277,331.28, 415,998.14 and 87,792.58 is: 131,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,331.28 : 415,998.14 = 87,792.58 : x
  2. Step 2: Convert to fraction form
    277,331.28/415,998.14 = 87,792.58/x
  3. Step 3: Cross multiply
    277,331.28x = 415,998.14 × 87,792.58
  4. Step 4: Simplify right side
    277,331.28x = 36,521,547,466.85
  5. Step 5: Solve for x
    x = 36,521,547,466.85/277,331.28
  6. Step 6: Final answer
    x = 131,689.25

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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.