Home / 336,856.20-502,706.29-300,913.88

Finding the Fourth Proportional to 336,856.20, 502,706.29 and 300,913.88

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Solution

The fourth proportional to 336,856.20, 502,706.29 and 300,913.88 is: 449,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,856.20 : 502,706.29 = 300,913.88 : x
  2. Step 2: Convert to fraction form
    336,856.20/502,706.29 = 300,913.88/x
  3. Step 3: Cross multiply
    336,856.20x = 502,706.29 × 300,913.88
  4. Step 4: Simplify right side
    336,856.20x = 151,271,300,728.79
  5. Step 5: Solve for x
    x = 151,271,300,728.79/336,856.20
  6. Step 6: Final answer
    x = 449,067.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.