Finding the Fourth Proportional to 342,980.68, 514,546.20 and 115,268.14
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Solution
The fourth proportional to 342,980.68, 514,546.20 and 115,268.14 is: 172,927.48
Step by Step Solution
- Step 1: Write the proportion equation
342,980.68 : 514,546.20 = 115,268.14 : x - Step 2: Convert to fraction form
342,980.68/514,546.20 = 115,268.14/x - Step 3: Cross multiply
342,980.68x = 514,546.20 × 115,268.14 - Step 4: Simplify right side
342,980.68x = 59,310,783,418.07 - Step 5: Solve for x
x = 59,310,783,418.07/342,980.68 - Step 6: Final answer
x = 172,927.48
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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.