Home / 330,631.88-456,529.44-254,029.46

Finding the Fourth Proportional to 330,631.88, 456,529.44 and 254,029.46

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Solution

The fourth proportional to 330,631.88, 456,529.44 and 254,029.46 is: 350,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,631.88 : 456,529.44 = 254,029.46 : x
  2. Step 2: Convert to fraction form
    330,631.88/456,529.44 = 254,029.46/x
  3. Step 3: Cross multiply
    330,631.88x = 456,529.44 × 254,029.46
  4. Step 4: Simplify right side
    330,631.88x = 115,971,927,117.30
  5. Step 5: Solve for x
    x = 115,971,927,117.30/330,631.88
  6. Step 6: Final answer
    x = 350,758.45

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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.