Home / 384,745.04-530,938.20-214,980.56

Finding the Fourth Proportional to 384,745.04, 530,938.20 and 214,980.56

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Solution

The fourth proportional to 384,745.04, 530,938.20 and 214,980.56 is: 296,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,745.04 : 530,938.20 = 214,980.56 : x
  2. Step 2: Convert to fraction form
    384,745.04/530,938.20 = 214,980.56/x
  3. Step 3: Cross multiply
    384,745.04x = 530,938.20 × 214,980.56
  4. Step 4: Simplify right side
    384,745.04x = 114,141,391,561.39
  5. Step 5: Solve for x
    x = 114,141,391,561.39/384,745.04
  6. Step 6: Final answer
    x = 296,667.61

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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.