Finding the Fourth Proportional to 104,792.61, 156,476.13 and 98,872.68
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Solution
The fourth proportional to 104,792.61, 156,476.13 and 98,872.68 is: 147,636.50
Step by Step Solution
- Step 1: Write the proportion equation
104,792.61 : 156,476.13 = 98,872.68 : x - Step 2: Convert to fraction form
104,792.61/156,476.13 = 98,872.68/x - Step 3: Cross multiply
104,792.61x = 156,476.13 × 98,872.68 - Step 4: Simplify right side
104,792.61x = 15,471,214,329.13 - Step 5: Solve for x
x = 15,471,214,329.13/104,792.61 - Step 6: Final answer
x = 147,636.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.