Home / 377,501.38-520,937.22-216,241.72

Finding the Fourth Proportional to 377,501.38, 520,937.22 and 216,241.72

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Solution

The fourth proportional to 377,501.38, 520,937.22 and 216,241.72 is: 298,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,501.38 : 520,937.22 = 216,241.72 : x
  2. Step 2: Convert to fraction form
    377,501.38/520,937.22 = 216,241.72/x
  3. Step 3: Cross multiply
    377,501.38x = 520,937.22 × 216,241.72
  4. Step 4: Simplify right side
    377,501.38x = 112,648,359,973.38
  5. Step 5: Solve for x
    x = 112,648,359,973.38/377,501.38
  6. Step 6: Final answer
    x = 298,405.16

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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.