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Finding the Fourth Proportional to 343,624.60, 514,562.10 and 327,878.20

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Solution

The fourth proportional to 343,624.60, 514,562.10 and 327,878.20 is: 490,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,624.60 : 514,562.10 = 327,878.20 : x
  2. Step 2: Convert to fraction form
    343,624.60/514,562.10 = 327,878.20/x
  3. Step 3: Cross multiply
    343,624.60x = 514,562.10 × 327,878.20
  4. Step 4: Simplify right side
    343,624.60x = 168,713,695,136.22
  5. Step 5: Solve for x
    x = 168,713,695,136.22/343,624.60
  6. Step 6: Final answer
    x = 490,982.59

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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.