Home / 374,582.56-561,858.87-206,436.28

Finding the Fourth Proportional to 374,582.56, 561,858.87 and 206,436.28

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Solution

The fourth proportional to 374,582.56, 561,858.87 and 206,436.28 is: 309,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,582.56 : 561,858.87 = 206,436.28 : x
  2. Step 2: Convert to fraction form
    374,582.56/561,858.87 = 206,436.28/x
  3. Step 3: Cross multiply
    374,582.56x = 561,858.87 × 206,436.28
  4. Step 4: Simplify right side
    374,582.56x = 115,988,055,007.80
  5. Step 5: Solve for x
    x = 115,988,055,007.80/374,582.56
  6. Step 6: Final answer
    x = 309,646.17

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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.