Home / 330,237.68-455,867.51-222,953.03

Finding the Fourth Proportional to 330,237.68, 455,867.51 and 222,953.03

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Solution

The fourth proportional to 330,237.68, 455,867.51 and 222,953.03 is: 307,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,237.68 : 455,867.51 = 222,953.03 : x
  2. Step 2: Convert to fraction form
    330,237.68/455,867.51 = 222,953.03/x
  3. Step 3: Cross multiply
    330,237.68x = 455,867.51 × 222,953.03
  4. Step 4: Simplify right side
    330,237.68x = 101,637,042,544.11
  5. Step 5: Solve for x
    x = 101,637,042,544.11/330,237.68
  6. Step 6: Final answer
    x = 307,769.37

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1.5x scale

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.