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Finding the Fourth Proportional to 376,814.94, 520,014.15 and 207,053.34

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Solution

The fourth proportional to 376,814.94, 520,014.15 and 207,053.34 is: 285,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,814.94 : 520,014.15 = 207,053.34 : x
  2. Step 2: Convert to fraction form
    376,814.94/520,014.15 = 207,053.34/x
  3. Step 3: Cross multiply
    376,814.94x = 520,014.15 × 207,053.34
  4. Step 4: Simplify right side
    376,814.94x = 107,670,666,604.76
  5. Step 5: Solve for x
    x = 107,670,666,604.76/376,814.94
  6. Step 6: Final answer
    x = 285,738.85

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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.