Home / 330,744.12-456,622.54-208,341.42

Finding the Fourth Proportional to 330,744.12, 456,622.54 and 208,341.42

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Solution

The fourth proportional to 330,744.12, 456,622.54 and 208,341.42 is: 287,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,744.12 : 456,622.54 = 208,341.42 : x
  2. Step 2: Convert to fraction form
    330,744.12/456,622.54 = 208,341.42/x
  3. Step 3: Cross multiply
    330,744.12x = 456,622.54 × 208,341.42
  4. Step 4: Simplify right side
    330,744.12x = 95,133,389,504.20
  5. Step 5: Solve for x
    x = 95,133,389,504.20/330,744.12
  6. Step 6: Final answer
    x = 287,634.41

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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.