Finding the Fourth Proportional to 236,088.07, 325,792.05 and 128,655.81
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Solution
The fourth proportional to 236,088.07, 325,792.05 and 128,655.81 is: 177,539.85
Step by Step Solution
- Step 1: Write the proportion equation
236,088.07 : 325,792.05 = 128,655.81 : x - Step 2: Convert to fraction form
236,088.07/325,792.05 = 128,655.81/x - Step 3: Cross multiply
236,088.07x = 325,792.05 × 128,655.81 - Step 4: Simplify right side
236,088.07x = 41,915,040,084.31 - Step 5: Solve for x
x = 41,915,040,084.31/236,088.07 - Step 6: Final answer
x = 177,539.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.