Home / 201,219.12-301,827.60-51,459.17

Finding the Fourth Proportional to 201,219.12, 301,827.60 and 51,459.17

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Solution

The fourth proportional to 201,219.12, 301,827.60 and 51,459.17 is: 77,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,219.12 : 301,827.60 = 51,459.17 : x
  2. Step 2: Convert to fraction form
    201,219.12/301,827.60 = 51,459.17/x
  3. Step 3: Cross multiply
    201,219.12x = 301,827.60 × 51,459.17
  4. Step 4: Simplify right side
    201,219.12x = 15,531,796,269.95
  5. Step 5: Solve for x
    x = 15,531,796,269.95/201,219.12
  6. Step 6: Final answer
    x = 77,188.47

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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.