Home / 209,021.40-313,532.10-195,024.60

Finding the Fourth Proportional to 209,021.40, 313,532.10 and 195,024.60

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Solution

The fourth proportional to 209,021.40, 313,532.10 and 195,024.60 is: 292,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,021.40 : 313,532.10 = 195,024.60 : x
  2. Step 2: Convert to fraction form
    209,021.40/313,532.10 = 195,024.60/x
  3. Step 3: Cross multiply
    209,021.40x = 313,532.10 × 195,024.60
  4. Step 4: Simplify right side
    209,021.40x = 61,146,472,389.66
  5. Step 5: Solve for x
    x = 61,146,472,389.66/209,021.40
  6. Step 6: Final answer
    x = 292,536.90

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1.5x scale

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.