Finding the Fourth Proportional to 170,497.62, 235,287.73 and 98,920.26
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Solution
The fourth proportional to 170,497.62, 235,287.73 and 98,920.26 is: 136,510.55
Step by Step Solution
- Step 1: Write the proportion equation
170,497.62 : 235,287.73 = 98,920.26 : x - Step 2: Convert to fraction form
170,497.62/235,287.73 = 98,920.26/x - Step 3: Cross multiply
170,497.62x = 235,287.73 × 98,920.26 - Step 4: Simplify right side
170,497.62x = 23,274,723,426.41 - Step 5: Solve for x
x = 23,274,723,426.41/170,497.62 - Step 6: Final answer
x = 136,510.55
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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.