Home / 277,310.72-382,688.34-156,451.70

Finding the Fourth Proportional to 277,310.72, 382,688.34 and 156,451.70

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Solution

The fourth proportional to 277,310.72, 382,688.34 and 156,451.70 is: 215,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,310.72 : 382,688.34 = 156,451.70 : x
  2. Step 2: Convert to fraction form
    277,310.72/382,688.34 = 156,451.70/x
  3. Step 3: Cross multiply
    277,310.72x = 382,688.34 × 156,451.70
  4. Step 4: Simplify right side
    277,310.72x = 59,872,241,363.18
  5. Step 5: Solve for x
    x = 59,872,241,363.18/277,310.72
  6. Step 6: Final answer
    x = 215,903.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.