Home / 315,946.03-473,919.03-105,583.96

Finding the Fourth Proportional to 315,946.03, 473,919.03 and 105,583.96

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Solution

The fourth proportional to 315,946.03, 473,919.03 and 105,583.96 is: 158,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,946.03 : 473,919.03 = 105,583.96 : x
  2. Step 2: Convert to fraction form
    315,946.03/473,919.03 = 105,583.96/x
  3. Step 3: Cross multiply
    315,946.03x = 473,919.03 × 105,583.96
  4. Step 4: Simplify right side
    315,946.03x = 50,038,247,906.76
  5. Step 5: Solve for x
    x = 50,038,247,906.76/315,946.03
  6. Step 6: Final answer
    x = 158,375.93

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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.