Home / 384,725.12-530,899.80-214,926.44

Finding the Fourth Proportional to 384,725.12, 530,899.80 and 214,926.44

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Solution

The fourth proportional to 384,725.12, 530,899.80 and 214,926.44 is: 296,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,725.12 : 530,899.80 = 214,926.44 : x
  2. Step 2: Convert to fraction form
    384,725.12/530,899.80 = 214,926.44/x
  3. Step 3: Cross multiply
    384,725.12x = 530,899.80 × 214,926.44
  4. Step 4: Simplify right side
    384,725.12x = 114,104,404,010.71
  5. Step 5: Solve for x
    x = 114,104,404,010.71/384,725.12
  6. Step 6: Final answer
    x = 296,586.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.