Finding the Fourth Proportional to 343,349.80, 515,024.70 and 106,716.40
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Solution
The fourth proportional to 343,349.80, 515,024.70 and 106,716.40 is: 160,074.60
Step by Step Solution
- Step 1: Write the proportion equation
343,349.80 : 515,024.70 = 106,716.40 : x - Step 2: Convert to fraction form
343,349.80/515,024.70 = 106,716.40/x - Step 3: Cross multiply
343,349.80x = 515,024.70 × 106,716.40 - Step 4: Simplify right side
343,349.80x = 54,961,581,895.08 - Step 5: Solve for x
x = 54,961,581,895.08/343,349.80 - Step 6: Final answer
x = 160,074.60
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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.