Home / 214,981.40-322,472.10-165,312.20

Finding the Fourth Proportional to 214,981.40, 322,472.10 and 165,312.20

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Solution

The fourth proportional to 214,981.40, 322,472.10 and 165,312.20 is: 247,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,981.40 : 322,472.10 = 165,312.20 : x
  2. Step 2: Convert to fraction form
    214,981.40/322,472.10 = 165,312.20/x
  3. Step 3: Cross multiply
    214,981.40x = 322,472.10 × 165,312.20
  4. Step 4: Simplify right side
    214,981.40x = 53,308,572,289.62
  5. Step 5: Solve for x
    x = 53,308,572,289.62/214,981.40
  6. Step 6: Final answer
    x = 247,968.30

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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.