Finding the Fourth Proportional to 234,665.93, 351,981.19 and 74,735.40
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Solution
The fourth proportional to 234,665.93, 351,981.19 and 74,735.40 is: 112,097.46
Step by Step Solution
- Step 1: Write the proportion equation
234,665.93 : 351,981.19 = 74,735.40 : x - Step 2: Convert to fraction form
234,665.93/351,981.19 = 74,735.40/x - Step 3: Cross multiply
234,665.93x = 351,981.19 × 74,735.40 - Step 4: Simplify right side
234,665.93x = 26,305,455,027.13 - Step 5: Solve for x
x = 26,305,455,027.13/234,665.93 - Step 6: Final answer
x = 112,097.46
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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.