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Finding the Fourth Proportional to 438,286, 604,835.22 and 237,082

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Solution

The fourth proportional to 438,286, 604,835.22 and 237,082 is: 327,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,286 : 604,835.22 = 237,082 : x
  2. Step 2: Convert to fraction form
    438,286/604,835.22 = 237,082/x
  3. Step 3: Cross multiply
    438,286x = 604,835.22 × 237,082
  4. Step 4: Simplify right side
    438,286x = 143,395,543,628.04
  5. Step 5: Solve for x
    x = 143,395,543,628.04/438,286
  6. Step 6: Final answer
    x = 327,173.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.