Home / 230,259.02-315,455.96-221,629.94

Finding the Fourth Proportional to 230,259.02, 315,455.96 and 221,629.94

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Solution

The fourth proportional to 230,259.02, 315,455.96 and 221,629.94 is: 303,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,259.02 : 315,455.96 = 221,629.94 : x
  2. Step 2: Convert to fraction form
    230,259.02/315,455.96 = 221,629.94/x
  3. Step 3: Cross multiply
    230,259.02x = 315,455.96 × 221,629.94
  4. Step 4: Simplify right side
    230,259.02x = 69,914,484,933.37
  5. Step 5: Solve for x
    x = 69,914,484,933.37/230,259.02
  6. Step 6: Final answer
    x = 303,634.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.