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Finding the Fourth Proportional to 376,953.70, 520,200.14 and 204,871.69

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Solution

The fourth proportional to 376,953.70, 520,200.14 and 204,871.69 is: 282,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,953.70 : 520,200.14 = 204,871.69 : x
  2. Step 2: Convert to fraction form
    376,953.70/520,200.14 = 204,871.69/x
  3. Step 3: Cross multiply
    376,953.70x = 520,200.14 × 204,871.69
  4. Step 4: Simplify right side
    376,953.70x = 106,574,281,820.04
  5. Step 5: Solve for x
    x = 106,574,281,820.04/376,953.70
  6. Step 6: Final answer
    x = 282,725.12

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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.