Home / 214,701.30-322,051.95-209,780.55

Finding the Fourth Proportional to 214,701.30, 322,051.95 and 209,780.55

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Solution

The fourth proportional to 214,701.30, 322,051.95 and 209,780.55 is: 314,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,701.30 : 322,051.95 = 209,780.55 : x
  2. Step 2: Convert to fraction form
    214,701.30/322,051.95 = 209,780.55/x
  3. Step 3: Cross multiply
    214,701.30x = 322,051.95 × 209,780.55
  4. Step 4: Simplify right side
    214,701.30x = 67,560,235,199.57
  5. Step 5: Solve for x
    x = 67,560,235,199.57/214,701.30
  6. Step 6: Final answer
    x = 314,670.83

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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.