Home / 210,550.62-290,558.16-115,055.58

Finding the Fourth Proportional to 210,550.62, 290,558.16 and 115,055.58

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Solution

The fourth proportional to 210,550.62, 290,558.16 and 115,055.58 is: 158,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,550.62 : 290,558.16 = 115,055.58 : x
  2. Step 2: Convert to fraction form
    210,550.62/290,558.16 = 115,055.58/x
  3. Step 3: Cross multiply
    210,550.62x = 290,558.16 × 115,055.58
  4. Step 4: Simplify right side
    210,550.62x = 33,430,337,622.53
  5. Step 5: Solve for x
    x = 33,430,337,622.53/210,550.62
  6. Step 6: Final answer
    x = 158,775.77

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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.