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Finding the Fourth Proportional to 554,950.38, 832,431.42 and 195,131.28

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Solution

The fourth proportional to 554,950.38, 832,431.42 and 195,131.28 is: 292,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,950.38 : 832,431.42 = 195,131.28 : x
  2. Step 2: Convert to fraction form
    554,950.38/832,431.42 = 195,131.28/x
  3. Step 3: Cross multiply
    554,950.38x = 832,431.42 × 195,131.28
  4. Step 4: Simplify right side
    554,950.38x = 162,433,408,496.82
  5. Step 5: Solve for x
    x = 162,433,408,496.82/554,950.38
  6. Step 6: Final answer
    x = 292,698.98

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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.