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Finding the Fourth Proportional to 336,750.38, 463,654.68 and 285,657.20

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Solution

The fourth proportional to 336,750.38, 463,654.68 and 285,657.20 is: 393,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,750.38 : 463,654.68 = 285,657.20 : x
  2. Step 2: Convert to fraction form
    336,750.38/463,654.68 = 285,657.20/x
  3. Step 3: Cross multiply
    336,750.38x = 463,654.68 × 285,657.20
  4. Step 4: Simplify right side
    336,750.38x = 132,446,297,611.74
  5. Step 5: Solve for x
    x = 132,446,297,611.74/336,750.38
  6. Step 6: Final answer
    x = 393,307.05

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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.