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Finding the Fourth Proportional to 271,808.70, 407,713.05 and 229,818.30

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Solution

The fourth proportional to 271,808.70, 407,713.05 and 229,818.30 is: 344,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,808.70 : 407,713.05 = 229,818.30 : x
  2. Step 2: Convert to fraction form
    271,808.70/407,713.05 = 229,818.30/x
  3. Step 3: Cross multiply
    271,808.70x = 407,713.05 × 229,818.30
  4. Step 4: Simplify right side
    271,808.70x = 93,699,920,038.82
  5. Step 5: Solve for x
    x = 93,699,920,038.82/271,808.70
  6. Step 6: Final answer
    x = 344,727.45

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1.5x scale

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.