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Finding the Fourth Proportional to 569,686.32, 854,578.22 and 148,961.52

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Solution

The fourth proportional to 569,686.32, 854,578.22 and 148,961.52 is: 223,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,686.32 : 854,578.22 = 148,961.52 : x
  2. Step 2: Convert to fraction form
    569,686.32/854,578.22 = 148,961.52/x
  3. Step 3: Cross multiply
    569,686.32x = 854,578.22 × 148,961.52
  4. Step 4: Simplify right side
    569,686.32x = 127,299,270,610.09
  5. Step 5: Solve for x
    x = 127,299,270,610.09/569,686.32
  6. Step 6: Final answer
    x = 223,455.02

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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.