Finding the Fourth Proportional to 256,792.41, 385,113.18 and 96,752.81
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Solution
The fourth proportional to 256,792.41, 385,113.18 and 96,752.81 is: 145,100.80
Step by Step Solution
- Step 1: Write the proportion equation
256,792.41 : 385,113.18 = 96,752.81 : x - Step 2: Convert to fraction form
256,792.41/385,113.18 = 96,752.81/x - Step 3: Cross multiply
256,792.41x = 385,113.18 × 96,752.81 - Step 4: Simplify right side
256,792.41x = 37,260,783,658.64 - Step 5: Solve for x
x = 37,260,783,658.64/256,792.41 - Step 6: Final answer
x = 145,100.80
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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.