Home / 377,213.41-520,544.10-207,447.67

Finding the Fourth Proportional to 377,213.41, 520,544.10 and 207,447.67

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Solution

The fourth proportional to 377,213.41, 520,544.10 and 207,447.67 is: 286,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,213.41 : 520,544.10 = 207,447.67 : x
  2. Step 2: Convert to fraction form
    377,213.41/520,544.10 = 207,447.67/x
  3. Step 3: Cross multiply
    377,213.41x = 520,544.10 × 207,447.67
  4. Step 4: Simplify right side
    377,213.41x = 107,985,660,677.25
  5. Step 5: Solve for x
    x = 107,985,660,677.25/377,213.41
  6. Step 6: Final answer
    x = 286,272.06

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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.