Home / 330,570.75-456,374.96-252,900.26

Finding the Fourth Proportional to 330,570.75, 456,374.96 and 252,900.26

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Solution

The fourth proportional to 330,570.75, 456,374.96 and 252,900.26 is: 349,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,570.75 : 456,374.96 = 252,900.26 : x
  2. Step 2: Convert to fraction form
    330,570.75/456,374.96 = 252,900.26/x
  3. Step 3: Cross multiply
    330,570.75x = 456,374.96 × 252,900.26
  4. Step 4: Simplify right side
    330,570.75x = 115,417,347,711.97
  5. Step 5: Solve for x
    x = 115,417,347,711.97/330,570.75
  6. Step 6: Final answer
    x = 349,145.68

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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.