Finding the Fourth Proportional to 343,972.08, 515,347.08 and 293,540.40
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Solution
The fourth proportional to 343,972.08, 515,347.08 and 293,540.40 is: 439,789.15
Step by Step Solution
- Step 1: Write the proportion equation
343,972.08 : 515,347.08 = 293,540.40 : x - Step 2: Convert to fraction form
343,972.08/515,347.08 = 293,540.40/x - Step 3: Cross multiply
343,972.08x = 515,347.08 × 293,540.40 - Step 4: Simplify right side
343,972.08x = 151,275,188,002.03 - Step 5: Solve for x
x = 151,275,188,002.03/343,972.08 - Step 6: Final answer
x = 439,789.15
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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.