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Finding the Fourth Proportional to 376,702.72, 519,855.35 and 204,624.04

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Solution

The fourth proportional to 376,702.72, 519,855.35 and 204,624.04 is: 282,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,702.72 : 519,855.35 = 204,624.04 : x
  2. Step 2: Convert to fraction form
    376,702.72/519,855.35 = 204,624.04/x
  3. Step 3: Cross multiply
    376,702.72x = 519,855.35 × 204,624.04
  4. Step 4: Simplify right side
    376,702.72x = 106,374,900,909.49
  5. Step 5: Solve for x
    x = 106,374,900,909.49/376,702.72
  6. Step 6: Final answer
    x = 282,384.21

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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.