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Finding the Fourth Proportional to 214,704.60, 322,056.90 and 202,457.40

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Solution

The fourth proportional to 214,704.60, 322,056.90 and 202,457.40 is: 303,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,704.60 : 322,056.90 = 202,457.40 : x
  2. Step 2: Convert to fraction form
    214,704.60/322,056.90 = 202,457.40/x
  3. Step 3: Cross multiply
    214,704.60x = 322,056.90 × 202,457.40
  4. Step 4: Simplify right side
    214,704.60x = 65,202,802,626.06
  5. Step 5: Solve for x
    x = 65,202,802,626.06/214,704.60
  6. Step 6: Final answer
    x = 303,686.10

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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.