Finding the Fourth Proportional to 277,638.71, 416,483.49 and 77,957.75
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Solution
The fourth proportional to 277,638.71, 416,483.49 and 77,957.75 is: 116,943.77
Step by Step Solution
- Step 1: Write the proportion equation
277,638.71 : 416,483.49 = 77,957.75 : x - Step 2: Convert to fraction form
277,638.71/416,483.49 = 77,957.75/x - Step 3: Cross multiply
277,638.71x = 416,483.49 × 77,957.75 - Step 4: Simplify right side
277,638.71x = 32,468,116,964.57 - Step 5: Solve for x
x = 32,468,116,964.57/277,638.71 - Step 6: Final answer
x = 116,943.77
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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.