Home / 376,823.78-520,010.98-207,054.26

Finding the Fourth Proportional to 376,823.78, 520,010.98 and 207,054.26

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Solution

The fourth proportional to 376,823.78, 520,010.98 and 207,054.26 is: 285,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,823.78 : 520,010.98 = 207,054.26 : x
  2. Step 2: Convert to fraction form
    376,823.78/520,010.98 = 207,054.26/x
  3. Step 3: Cross multiply
    376,823.78x = 520,010.98 × 207,054.26
  4. Step 4: Simplify right side
    376,823.78x = 107,670,488,655.78
  5. Step 5: Solve for x
    x = 107,670,488,655.78/376,823.78
  6. Step 6: Final answer
    x = 285,731.67

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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.