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Finding the Fourth Proportional to 376,745.88, 519,678.72 and 223,680.24

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Solution

The fourth proportional to 376,745.88, 519,678.72 and 223,680.24 is: 308,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,745.88 : 519,678.72 = 223,680.24 : x
  2. Step 2: Convert to fraction form
    376,745.88/519,678.72 = 223,680.24/x
  3. Step 3: Cross multiply
    376,745.88x = 519,678.72 × 223,680.24
  4. Step 4: Simplify right side
    376,745.88x = 116,241,860,812.49
  5. Step 5: Solve for x
    x = 116,241,860,812.49/376,745.88
  6. Step 6: Final answer
    x = 308,541.82

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1.5x scale

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.