Home / 313,975.32-470,982.94-103,615.08

Finding the Fourth Proportional to 313,975.32, 470,982.94 and 103,615.08

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Solution

The fourth proportional to 313,975.32, 470,982.94 and 103,615.08 is: 155,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,975.32 : 470,982.94 = 103,615.08 : x
  2. Step 2: Convert to fraction form
    313,975.32/470,982.94 = 103,615.08/x
  3. Step 3: Cross multiply
    313,975.32x = 470,982.94 × 103,615.08
  4. Step 4: Simplify right side
    313,975.32x = 48,800,935,006.74
  5. Step 5: Solve for x
    x = 48,800,935,006.74/313,975.32
  6. Step 6: Final answer
    x = 155,429.21

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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.