Home / 376,927.85-520,162.13-207,172.91

Finding the Fourth Proportional to 376,927.85, 520,162.13 and 207,172.91

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Solution

The fourth proportional to 376,927.85, 520,162.13 and 207,172.91 is: 285,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,927.85 : 520,162.13 = 207,172.91 : x
  2. Step 2: Convert to fraction form
    376,927.85/520,162.13 = 207,172.91/x
  3. Step 3: Cross multiply
    376,927.85x = 520,162.13 × 207,172.91
  4. Step 4: Simplify right side
    376,927.85x = 107,763,503,962.24
  5. Step 5: Solve for x
    x = 107,763,503,962.24/376,927.85
  6. Step 6: Final answer
    x = 285,899.55

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1.5x scale

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.