Home / 213,022.47-295,213.73-210,015.75

Finding the Fourth Proportional to 213,022.47, 295,213.73 and 210,015.75

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Solution

The fourth proportional to 213,022.47, 295,213.73 and 210,015.75 is: 291,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,022.47 : 295,213.73 = 210,015.75 : x
  2. Step 2: Convert to fraction form
    213,022.47/295,213.73 = 210,015.75/x
  3. Step 3: Cross multiply
    213,022.47x = 295,213.73 × 210,015.75
  4. Step 4: Simplify right side
    213,022.47x = 61,999,533,441.29
  5. Step 5: Solve for x
    x = 61,999,533,441.29/213,022.47
  6. Step 6: Final answer
    x = 291,046.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.