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Finding the Fourth Proportional to 438,972.44, 657,950.37 and 201,817.40

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Solution

The fourth proportional to 438,972.44, 657,950.37 and 201,817.40 is: 302,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,972.44 : 657,950.37 = 201,817.40 : x
  2. Step 2: Convert to fraction form
    438,972.44/657,950.37 = 201,817.40/x
  3. Step 3: Cross multiply
    438,972.44x = 657,950.37 × 201,817.40
  4. Step 4: Simplify right side
    438,972.44x = 132,785,829,712.69
  5. Step 5: Solve for x
    x = 132,785,829,712.69/438,972.44
  6. Step 6: Final answer
    x = 302,492.41

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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.