Home / 342,147.88-472,150.02-189,176.32

Finding the Fourth Proportional to 342,147.88, 472,150.02 and 189,176.32

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Solution

The fourth proportional to 342,147.88, 472,150.02 and 189,176.32 is: 261,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,147.88 : 472,150.02 = 189,176.32 : x
  2. Step 2: Convert to fraction form
    342,147.88/472,150.02 = 189,176.32/x
  3. Step 3: Cross multiply
    342,147.88x = 472,150.02 × 189,176.32
  4. Step 4: Simplify right side
    342,147.88x = 89,319,603,271.53
  5. Step 5: Solve for x
    x = 89,319,603,271.53/342,147.88
  6. Step 6: Final answer
    x = 261,055.55

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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.