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Finding the Fourth Proportional to 569,835.36, 854,729.28 and 149,101.92

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Solution

The fourth proportional to 569,835.36, 854,729.28 and 149,101.92 is: 223,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,835.36 : 854,729.28 = 149,101.92 : x
  2. Step 2: Convert to fraction form
    569,835.36/854,729.28 = 149,101.92/x
  3. Step 3: Cross multiply
    569,835.36x = 854,729.28 × 149,101.92
  4. Step 4: Simplify right side
    569,835.36x = 127,441,776,728.22
  5. Step 5: Solve for x
    x = 127,441,776,728.22/569,835.36
  6. Step 6: Final answer
    x = 223,646.66

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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.