Finding the Fourth Proportional to 277,742.79, 416,633.76 and 137,463.75
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Solution
The fourth proportional to 277,742.79, 416,633.76 and 137,463.75 is: 206,205.31
Step by Step Solution
- Step 1: Write the proportion equation
277,742.79 : 416,633.76 = 137,463.75 : x - Step 2: Convert to fraction form
277,742.79/416,633.76 = 137,463.75/x - Step 3: Cross multiply
277,742.79x = 416,633.76 × 137,463.75 - Step 4: Simplify right side
277,742.79x = 57,272,039,026.20 - Step 5: Solve for x
x = 57,272,039,026.20/277,742.79 - Step 6: Final answer
x = 206,205.31
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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.