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Finding the Fourth Proportional to 377,235.30, 520,493.59 and 239,363.96

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Solution

The fourth proportional to 377,235.30, 520,493.59 and 239,363.96 is: 330,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,235.30 : 520,493.59 = 239,363.96 : x
  2. Step 2: Convert to fraction form
    377,235.30/520,493.59 = 239,363.96/x
  3. Step 3: Cross multiply
    377,235.30x = 520,493.59 × 239,363.96
  4. Step 4: Simplify right side
    377,235.30x = 124,587,406,857.02
  5. Step 5: Solve for x
    x = 124,587,406,857.02/377,235.30
  6. Step 6: Final answer
    x = 330,264.44

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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.