Home / 397,290.42-595,953.98-131,074.20

Finding the Fourth Proportional to 397,290.42, 595,953.98 and 131,074.20

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Solution

The fourth proportional to 397,290.42, 595,953.98 and 131,074.20 is: 196,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,290.42 : 595,953.98 = 131,074.20 : x
  2. Step 2: Convert to fraction form
    397,290.42/595,953.98 = 131,074.20/x
  3. Step 3: Cross multiply
    397,290.42x = 595,953.98 × 131,074.20
  4. Step 4: Simplify right side
    397,290.42x = 78,114,190,509.95
  5. Step 5: Solve for x
    x = 78,114,190,509.95/397,290.42
  6. Step 6: Final answer
    x = 196,617.35

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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.