Home / 342,724.42-472,959.32-191,821.42

Finding the Fourth Proportional to 342,724.42, 472,959.32 and 191,821.42

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Solution

The fourth proportional to 342,724.42, 472,959.32 and 191,821.42 is: 264,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,724.42 : 472,959.32 = 191,821.42 : x
  2. Step 2: Convert to fraction form
    342,724.42/472,959.32 = 191,821.42/x
  3. Step 3: Cross multiply
    342,724.42x = 472,959.32 × 191,821.42
  4. Step 4: Simplify right side
    342,724.42x = 90,723,729,075.72
  5. Step 5: Solve for x
    x = 90,723,729,075.72/342,724.42
  6. Step 6: Final answer
    x = 264,713.35

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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.