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Finding the Fourth Proportional to 162,227.84, 243,369.78 and 72,302.51

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Solution

The fourth proportional to 162,227.84, 243,369.78 and 72,302.51 is: 108,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,227.84 : 243,369.78 = 72,302.51 : x
  2. Step 2: Convert to fraction form
    162,227.84/243,369.78 = 72,302.51/x
  3. Step 3: Cross multiply
    162,227.84x = 243,369.78 × 72,302.51
  4. Step 4: Simplify right side
    162,227.84x = 17,596,244,735.30
  5. Step 5: Solve for x
    x = 17,596,244,735.30/162,227.84
  6. Step 6: Final answer
    x = 108,466.25

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1.5x scale

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.