Home / 315,941.91-473,912.86-105,579.84

Finding the Fourth Proportional to 315,941.91, 473,912.86 and 105,579.84

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Solution

The fourth proportional to 315,941.91, 473,912.86 and 105,579.84 is: 158,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,941.91 : 473,912.86 = 105,579.84 : x
  2. Step 2: Convert to fraction form
    315,941.91/473,912.86 = 105,579.84/x
  3. Step 3: Cross multiply
    315,941.91x = 473,912.86 × 105,579.84
  4. Step 4: Simplify right side
    315,941.91x = 50,035,645,643.93
  5. Step 5: Solve for x
    x = 50,035,645,643.93/315,941.91
  6. Step 6: Final answer
    x = 158,369.77

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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.