Home / 340,307.44-469,616.28-189,401.20

Finding the Fourth Proportional to 340,307.44, 469,616.28 and 189,401.20

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Solution

The fourth proportional to 340,307.44, 469,616.28 and 189,401.20 is: 261,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,307.44 : 469,616.28 = 189,401.20 : x
  2. Step 2: Convert to fraction form
    340,307.44/469,616.28 = 189,401.20/x
  3. Step 3: Cross multiply
    340,307.44x = 469,616.28 × 189,401.20
  4. Step 4: Simplify right side
    340,307.44x = 88,945,886,971.54
  5. Step 5: Solve for x
    x = 88,945,886,971.54/340,307.44
  6. Step 6: Final answer
    x = 261,369.21

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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.