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Finding the Fourth Proportional to 343,459.80, 515,184.30 and 94,141.80

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Solution

The fourth proportional to 343,459.80, 515,184.30 and 94,141.80 is: 141,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,459.80 : 515,184.30 = 94,141.80 : x
  2. Step 2: Convert to fraction form
    343,459.80/515,184.30 = 94,141.80/x
  3. Step 3: Cross multiply
    343,459.80x = 515,184.30 × 94,141.80
  4. Step 4: Simplify right side
    343,459.80x = 48,500,377,333.74
  5. Step 5: Solve for x
    x = 48,500,377,333.74/343,459.80
  6. Step 6: Final answer
    x = 141,211.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.