Home / 330,809.20-456,619.49-262,946.59

Finding the Fourth Proportional to 330,809.20, 456,619.49 and 262,946.59

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Solution

The fourth proportional to 330,809.20, 456,619.49 and 262,946.59 is: 362,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,809.20 : 456,619.49 = 262,946.59 : x
  2. Step 2: Convert to fraction form
    330,809.20/456,619.49 = 262,946.59/x
  3. Step 3: Cross multiply
    330,809.20x = 456,619.49 × 262,946.59
  4. Step 4: Simplify right side
    330,809.20x = 120,066,536,508.31
  5. Step 5: Solve for x
    x = 120,066,536,508.31/330,809.20
  6. Step 6: Final answer
    x = 362,948.00

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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.