Home / 340,943.78-470,557.85-205,115.01

Finding the Fourth Proportional to 340,943.78, 470,557.85 and 205,115.01

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Solution

The fourth proportional to 340,943.78, 470,557.85 and 205,115.01 is: 283,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,943.78 : 470,557.85 = 205,115.01 : x
  2. Step 2: Convert to fraction form
    340,943.78/470,557.85 = 205,115.01/x
  3. Step 3: Cross multiply
    340,943.78x = 470,557.85 × 205,115.01
  4. Step 4: Simplify right side
    340,943.78x = 96,518,477,082.75
  5. Step 5: Solve for x
    x = 96,518,477,082.75/340,943.78
  6. Step 6: Final answer
    x = 283,092.06

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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.