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Finding the Fourth Proportional to 343,273.86, 473,732.90 and 190,302.32

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Solution

The fourth proportional to 343,273.86, 473,732.90 and 190,302.32 is: 262,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,273.86 : 473,732.90 = 190,302.32 : x
  2. Step 2: Convert to fraction form
    343,273.86/473,732.90 = 190,302.32/x
  3. Step 3: Cross multiply
    343,273.86x = 473,732.90 × 190,302.32
  4. Step 4: Simplify right side
    343,273.86x = 90,152,469,615.58
  5. Step 5: Solve for x
    x = 90,152,469,615.58/343,273.86
  6. Step 6: Final answer
    x = 262,625.51

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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.