Home / 291,930.13-402,518.37-205,903.27

Finding the Fourth Proportional to 291,930.13, 402,518.37 and 205,903.27

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Solution

The fourth proportional to 291,930.13, 402,518.37 and 205,903.27 is: 283,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,930.13 : 402,518.37 = 205,903.27 : x
  2. Step 2: Convert to fraction form
    291,930.13/402,518.37 = 205,903.27/x
  3. Step 3: Cross multiply
    291,930.13x = 402,518.37 × 205,903.27
  4. Step 4: Simplify right side
    291,930.13x = 82,879,848,618.07
  5. Step 5: Solve for x
    x = 82,879,848,618.07/291,930.13
  6. Step 6: Final answer
    x = 283,903.03

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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.