Home / 547,616.70-821,547.45-192,642.30

Finding the Fourth Proportional to 547,616.70, 821,547.45 and 192,642.30

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Solution

The fourth proportional to 547,616.70, 821,547.45 and 192,642.30 is: 289,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,616.70 : 821,547.45 = 192,642.30 : x
  2. Step 2: Convert to fraction form
    547,616.70/821,547.45 = 192,642.30/x
  3. Step 3: Cross multiply
    547,616.70x = 821,547.45 × 192,642.30
  4. Step 4: Simplify right side
    547,616.70x = 158,264,790,327.14
  5. Step 5: Solve for x
    x = 158,264,790,327.14/547,616.70
  6. Step 6: Final answer
    x = 289,006.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.