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Finding the Fourth Proportional to 343,359.90, 473,837.68 and 190,408.88

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Solution

The fourth proportional to 343,359.90, 473,837.68 and 190,408.88 is: 262,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,359.90 : 473,837.68 = 190,408.88 : x
  2. Step 2: Convert to fraction form
    343,359.90/473,837.68 = 190,408.88/x
  3. Step 3: Cross multiply
    343,359.90x = 473,837.68 × 190,408.88
  4. Step 4: Simplify right side
    343,359.90x = 90,222,901,950.60
  5. Step 5: Solve for x
    x = 90,222,901,950.60/343,359.90
  6. Step 6: Final answer
    x = 262,764.82

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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.