Home / 258,441.17-387,669.04-71,452.67

Finding the Fourth Proportional to 258,441.17, 387,669.04 and 71,452.67

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Solution

The fourth proportional to 258,441.17, 387,669.04 and 71,452.67 is: 107,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,441.17 : 387,669.04 = 71,452.67 : x
  2. Step 2: Convert to fraction form
    258,441.17/387,669.04 = 71,452.67/x
  3. Step 3: Cross multiply
    258,441.17x = 387,669.04 × 71,452.67
  4. Step 4: Simplify right side
    258,441.17x = 27,699,985,867.36
  5. Step 5: Solve for x
    x = 27,699,985,867.36/258,441.17
  6. Step 6: Final answer
    x = 107,181.01

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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.