Home / 377,217.09-520,570.49-207,462.15

Finding the Fourth Proportional to 377,217.09, 520,570.49 and 207,462.15

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Solution

The fourth proportional to 377,217.09, 520,570.49 and 207,462.15 is: 286,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,217.09 : 520,570.49 = 207,462.15 : x
  2. Step 2: Convert to fraction form
    377,217.09/520,570.49 = 207,462.15/x
  3. Step 3: Cross multiply
    377,217.09x = 520,570.49 × 207,462.15
  4. Step 4: Simplify right side
    377,217.09x = 107,998,672,044.64
  5. Step 5: Solve for x
    x = 107,998,672,044.64/377,217.09
  6. Step 6: Final answer
    x = 286,303.76

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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.