Home / 277,317.08-382,664.64-156,451.28

Finding the Fourth Proportional to 277,317.08, 382,664.64 and 156,451.28

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Solution

The fourth proportional to 277,317.08, 382,664.64 and 156,451.28 is: 215,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,317.08 : 382,664.64 = 156,451.28 : x
  2. Step 2: Convert to fraction form
    277,317.08/382,664.64 = 156,451.28/x
  3. Step 3: Cross multiply
    277,317.08x = 382,664.64 × 156,451.28
  4. Step 4: Simplify right side
    277,317.08x = 59,868,372,738.74
  5. Step 5: Solve for x
    x = 59,868,372,738.74/277,317.08
  6. Step 6: Final answer
    x = 215,884.19

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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.