Home / 297,077.90-445,705.67-210,690.21

Finding the Fourth Proportional to 297,077.90, 445,705.67 and 210,690.21

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Solution

The fourth proportional to 297,077.90, 445,705.67 and 210,690.21 is: 316,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,077.90 : 445,705.67 = 210,690.21 : x
  2. Step 2: Convert to fraction form
    297,077.90/445,705.67 = 210,690.21/x
  3. Step 3: Cross multiply
    297,077.90x = 445,705.67 × 210,690.21
  4. Step 4: Simplify right side
    297,077.90x = 93,905,818,759.12
  5. Step 5: Solve for x
    x = 93,905,818,759.12/297,077.90
  6. Step 6: Final answer
    x = 316,098.30

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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.