Home / 214,931.40-322,397.10-197,872.80

Finding the Fourth Proportional to 214,931.40, 322,397.10 and 197,872.80

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Solution

The fourth proportional to 214,931.40, 322,397.10 and 197,872.80 is: 296,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,931.40 : 322,397.10 = 197,872.80 : x
  2. Step 2: Convert to fraction form
    214,931.40/322,397.10 = 197,872.80/x
  3. Step 3: Cross multiply
    214,931.40x = 322,397.10 × 197,872.80
  4. Step 4: Simplify right side
    214,931.40x = 63,793,616,888.88
  5. Step 5: Solve for x
    x = 63,793,616,888.88/214,931.40
  6. Step 6: Final answer
    x = 296,809.20

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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.