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Finding the Fourth Proportional to 201,071.89, 301,607.63 and 51,312.18

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Solution

The fourth proportional to 201,071.89, 301,607.63 and 51,312.18 is: 76,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,071.89 : 301,607.63 = 51,312.18 : x
  2. Step 2: Convert to fraction form
    201,071.89/301,607.63 = 51,312.18/x
  3. Step 3: Cross multiply
    201,071.89x = 301,607.63 × 51,312.18
  4. Step 4: Simplify right side
    201,071.89x = 15,476,144,999.93
  5. Step 5: Solve for x
    x = 15,476,144,999.93/201,071.89
  6. Step 6: Final answer
    x = 76,968.22

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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.