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Finding the Fourth Proportional to 376,639.01, 519,877.02 and 223,702.10

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Solution

The fourth proportional to 376,639.01, 519,877.02 and 223,702.10 is: 308,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,639.01 : 519,877.02 = 223,702.10 : x
  2. Step 2: Convert to fraction form
    376,639.01/519,877.02 = 223,702.10/x
  3. Step 3: Cross multiply
    376,639.01x = 519,877.02 × 223,702.10
  4. Step 4: Simplify right side
    376,639.01x = 116,297,578,516.36
  5. Step 5: Solve for x
    x = 116,297,578,516.36/376,639.01
  6. Step 6: Final answer
    x = 308,777.31

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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.