Home / 313,982.46-470,990.02-103,636.80

Finding the Fourth Proportional to 313,982.46, 470,990.02 and 103,636.80

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Solution

The fourth proportional to 313,982.46, 470,990.02 and 103,636.80 is: 155,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,982.46 : 470,990.02 = 103,636.80 : x
  2. Step 2: Convert to fraction form
    313,982.46/470,990.02 = 103,636.80/x
  3. Step 3: Cross multiply
    313,982.46x = 470,990.02 × 103,636.80
  4. Step 4: Simplify right side
    313,982.46x = 48,811,898,504.74
  5. Step 5: Solve for x
    x = 48,811,898,504.74/313,982.46
  6. Step 6: Final answer
    x = 155,460.59

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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.