Home / 215,328.67-297,153.12-133,626.50

Finding the Fourth Proportional to 215,328.67, 297,153.12 and 133,626.50

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Solution

The fourth proportional to 215,328.67, 297,153.12 and 133,626.50 is: 184,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,328.67 : 297,153.12 = 133,626.50 : x
  2. Step 2: Convert to fraction form
    215,328.67/297,153.12 = 133,626.50/x
  3. Step 3: Cross multiply
    215,328.67x = 297,153.12 × 133,626.50
  4. Step 4: Simplify right side
    215,328.67x = 39,707,531,389.68
  5. Step 5: Solve for x
    x = 39,707,531,389.68/215,328.67
  6. Step 6: Final answer
    x = 184,404.29

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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.