Finding the Fourth Proportional to 261,792.36, 392,725.44 and 93,276.54
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Solution
The fourth proportional to 261,792.36, 392,725.44 and 93,276.54 is: 139,927.96
Step by Step Solution
- Step 1: Write the proportion equation
261,792.36 : 392,725.44 = 93,276.54 : x - Step 2: Convert to fraction form
261,792.36/392,725.44 = 93,276.54/x - Step 3: Cross multiply
261,792.36x = 392,725.44 × 93,276.54 - Step 4: Simplify right side
261,792.36x = 36,632,070,213.18 - Step 5: Solve for x
x = 36,632,070,213.18/261,792.36 - Step 6: Final answer
x = 139,927.96
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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.