Home / 377,274.24-520,638.72-207,521.28

Finding the Fourth Proportional to 377,274.24, 520,638.72 and 207,521.28

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Solution

The fourth proportional to 377,274.24, 520,638.72 and 207,521.28 is: 286,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,274.24 : 520,638.72 = 207,521.28 : x
  2. Step 2: Convert to fraction form
    377,274.24/520,638.72 = 207,521.28/x
  3. Step 3: Cross multiply
    377,274.24x = 520,638.72 × 207,521.28
  4. Step 4: Simplify right side
    377,274.24x = 108,043,613,591.96
  5. Step 5: Solve for x
    x = 108,043,613,591.96/377,274.24
  6. Step 6: Final answer
    x = 286,379.51

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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.