Home / 258,618.22-387,598.57-116,311.34

Finding the Fourth Proportional to 258,618.22, 387,598.57 and 116,311.34

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Solution

The fourth proportional to 258,618.22, 387,598.57 and 116,311.34 is: 174,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,618.22 : 387,598.57 = 116,311.34 : x
  2. Step 2: Convert to fraction form
    258,618.22/387,598.57 = 116,311.34/x
  3. Step 3: Cross multiply
    258,618.22x = 387,598.57 × 116,311.34
  4. Step 4: Simplify right side
    258,618.22x = 45,082,109,737.00
  5. Step 5: Solve for x
    x = 45,082,109,737.00/258,618.22
  6. Step 6: Final answer
    x = 174,319.16

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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.