Home / 384,121.13-530,087.60-214,355.21

Finding the Fourth Proportional to 384,121.13, 530,087.60 and 214,355.21

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Solution

The fourth proportional to 384,121.13, 530,087.60 and 214,355.21 is: 295,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,121.13 : 530,087.60 = 214,355.21 : x
  2. Step 2: Convert to fraction form
    384,121.13/530,087.60 = 214,355.21/x
  3. Step 3: Cross multiply
    384,121.13x = 530,087.60 × 214,355.21
  4. Step 4: Simplify right side
    384,121.13x = 113,627,038,816.40
  5. Step 5: Solve for x
    x = 113,627,038,816.40/384,121.13
  6. Step 6: Final answer
    x = 295,810.44

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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.