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Finding the Fourth Proportional to 342,786.72, 473,050.64 and 197,512.32

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Solution

The fourth proportional to 342,786.72, 473,050.64 and 197,512.32 is: 272,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,786.72 : 473,050.64 = 197,512.32 : x
  2. Step 2: Convert to fraction form
    342,786.72/473,050.64 = 197,512.32/x
  3. Step 3: Cross multiply
    342,786.72x = 473,050.64 × 197,512.32
  4. Step 4: Simplify right side
    342,786.72x = 93,433,329,383.88
  5. Step 5: Solve for x
    x = 93,433,329,383.88/342,786.72
  6. Step 6: Final answer
    x = 272,569.86

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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.