Home / 313,244.20-470,012.10-163,653.40

Finding the Fourth Proportional to 313,244.20, 470,012.10 and 163,653.40

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Solution

The fourth proportional to 313,244.20, 470,012.10 and 163,653.40 is: 245,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,244.20 : 470,012.10 = 163,653.40 : x
  2. Step 2: Convert to fraction form
    313,244.20/470,012.10 = 163,653.40/x
  3. Step 3: Cross multiply
    313,244.20x = 470,012.10 × 163,653.40
  4. Step 4: Simplify right side
    313,244.20x = 76,919,078,206.14
  5. Step 5: Solve for x
    x = 76,919,078,206.14/313,244.20
  6. Step 6: Final answer
    x = 245,556.27

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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.