Home / 315,344.06-472,734.84-115,617.86

Finding the Fourth Proportional to 315,344.06, 472,734.84 and 115,617.86

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Solution

The fourth proportional to 315,344.06, 472,734.84 and 115,617.86 is: 173,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,344.06 : 472,734.84 = 115,617.86 : x
  2. Step 2: Convert to fraction form
    315,344.06/472,734.84 = 115,617.86/x
  3. Step 3: Cross multiply
    315,344.06x = 472,734.84 × 115,617.86
  4. Step 4: Simplify right side
    315,344.06x = 54,656,590,548.24
  5. Step 5: Solve for x
    x = 54,656,590,548.24/315,344.06
  6. Step 6: Final answer
    x = 173,323.67

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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.