Finding the Fourth Proportional to 277,639.71, 416,484.99 and 77,958.75
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Solution
The fourth proportional to 277,639.71, 416,484.99 and 77,958.75 is: 116,945.26
Step by Step Solution
- Step 1: Write the proportion equation
277,639.71 : 416,484.99 = 77,958.75 : x - Step 2: Convert to fraction form
277,639.71/416,484.99 = 77,958.75/x - Step 3: Cross multiply
277,639.71x = 416,484.99 × 77,958.75 - Step 4: Simplify right side
277,639.71x = 32,468,649,214.16 - Step 5: Solve for x
x = 32,468,649,214.16/277,639.71 - Step 6: Final answer
x = 116,945.26
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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.