Finding the Fourth Proportional to 343,433.80, 515,150.70 and 94,115.80
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Solution
The fourth proportional to 343,433.80, 515,150.70 and 94,115.80 is: 141,173.70
Step by Step Solution
- Step 1: Write the proportion equation
343,433.80 : 515,150.70 = 94,115.80 : x - Step 2: Convert to fraction form
343,433.80/515,150.70 = 94,115.80/x - Step 3: Cross multiply
343,433.80x = 515,150.70 × 94,115.80 - Step 4: Simplify right side
343,433.80x = 48,483,820,251.06 - Step 5: Solve for x
x = 48,483,820,251.06/343,433.80 - Step 6: Final answer
x = 141,173.70
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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.