Home / 372,024.50-513,404.63-210,874.19

Finding the Fourth Proportional to 372,024.50, 513,404.63 and 210,874.19

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Solution

The fourth proportional to 372,024.50, 513,404.63 and 210,874.19 is: 291,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,024.50 : 513,404.63 = 210,874.19 : x
  2. Step 2: Convert to fraction form
    372,024.50/513,404.63 = 210,874.19/x
  3. Step 3: Cross multiply
    372,024.50x = 513,404.63 × 210,874.19
  4. Step 4: Simplify right side
    372,024.50x = 108,263,782,662.88
  5. Step 5: Solve for x
    x = 108,263,782,662.88/372,024.50
  6. Step 6: Final answer
    x = 291,012.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.