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Finding the Fourth Proportional to 223,245.02, 334,870.14 and 65,476.64

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Solution

The fourth proportional to 223,245.02, 334,870.14 and 65,476.64 is: 98,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,245.02 : 334,870.14 = 65,476.64 : x
  2. Step 2: Convert to fraction form
    223,245.02/334,870.14 = 65,476.64/x
  3. Step 3: Cross multiply
    223,245.02x = 334,870.14 × 65,476.64
  4. Step 4: Simplify right side
    223,245.02x = 21,926,171,603.53
  5. Step 5: Solve for x
    x = 21,926,171,603.53/223,245.02
  6. Step 6: Final answer
    x = 98,215.73

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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.