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Finding the Fourth Proportional to 286,480.89, 429,794.37 and 134,648.57

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Solution

The fourth proportional to 286,480.89, 429,794.37 and 134,648.57 is: 202,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,480.89 : 429,794.37 = 134,648.57 : x
  2. Step 2: Convert to fraction form
    286,480.89/429,794.37 = 134,648.57/x
  3. Step 3: Cross multiply
    286,480.89x = 429,794.37 × 134,648.57
  4. Step 4: Simplify right side
    286,480.89x = 57,871,195,165.58
  5. Step 5: Solve for x
    x = 57,871,195,165.58/286,480.89
  6. Step 6: Final answer
    x = 202,007.17

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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.