Home / 376,946.40-520,190.05-204,864.36

Finding the Fourth Proportional to 376,946.40, 520,190.05 and 204,864.36

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Solution

The fourth proportional to 376,946.40, 520,190.05 and 204,864.36 is: 282,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,946.40 : 520,190.05 = 204,864.36 : x
  2. Step 2: Convert to fraction form
    376,946.40/520,190.05 = 204,864.36/x
  3. Step 3: Cross multiply
    376,946.40x = 520,190.05 × 204,864.36
  4. Step 4: Simplify right side
    376,946.40x = 106,568,401,671.62
  5. Step 5: Solve for x
    x = 106,568,401,671.62/376,946.40
  6. Step 6: Final answer
    x = 282,715.00

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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.