Home / 376,823.39-520,016.15-207,068.45

Finding the Fourth Proportional to 376,823.39, 520,016.15 and 207,068.45

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Solution

The fourth proportional to 376,823.39, 520,016.15 and 207,068.45 is: 285,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,823.39 : 520,016.15 = 207,068.45 : x
  2. Step 2: Convert to fraction form
    376,823.39/520,016.15 = 207,068.45/x
  3. Step 3: Cross multiply
    376,823.39x = 520,016.15 × 207,068.45
  4. Step 4: Simplify right side
    376,823.39x = 107,678,936,073.06
  5. Step 5: Solve for x
    x = 107,678,936,073.06/376,823.39
  6. Step 6: Final answer
    x = 285,754.39

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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.