Home / 334,990.20-502,485.30-193,272.60

Finding the Fourth Proportional to 334,990.20, 502,485.30 and 193,272.60

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Solution

The fourth proportional to 334,990.20, 502,485.30 and 193,272.60 is: 289,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,990.20 : 502,485.30 = 193,272.60 : x
  2. Step 2: Convert to fraction form
    334,990.20/502,485.30 = 193,272.60/x
  3. Step 3: Cross multiply
    334,990.20x = 502,485.30 × 193,272.60
  4. Step 4: Simplify right side
    334,990.20x = 97,116,640,392.78
  5. Step 5: Solve for x
    x = 97,116,640,392.78/334,990.20
  6. Step 6: Final answer
    x = 289,908.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.