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Finding the Fourth Proportional to 377,466.62, 520,918.31 and 216,352.76

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Solution

The fourth proportional to 377,466.62, 520,918.31 and 216,352.76 is: 298,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,466.62 : 520,918.31 = 216,352.76 : x
  2. Step 2: Convert to fraction form
    377,466.62/520,918.31 = 216,352.76/x
  3. Step 3: Cross multiply
    377,466.62x = 520,918.31 × 216,352.76
  4. Step 4: Simplify right side
    377,466.62x = 112,702,115,946.21
  5. Step 5: Solve for x
    x = 112,702,115,946.21/377,466.62
  6. Step 6: Final answer
    x = 298,575.05

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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.