Finding the Fourth Proportional to 277,342.91, 382,751.27 and 156,440.08
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Solution
The fourth proportional to 277,342.91, 382,751.27 and 156,440.08 is: 215,897.50
Step by Step Solution
- Step 1: Write the proportion equation
277,342.91 : 382,751.27 = 156,440.08 : x - Step 2: Convert to fraction form
277,342.91/382,751.27 = 156,440.08/x - Step 3: Cross multiply
277,342.91x = 382,751.27 × 156,440.08 - Step 4: Simplify right side
277,342.91x = 59,877,641,538.25 - Step 5: Solve for x
x = 59,877,641,538.25/277,342.91 - Step 6: Final answer
x = 215,897.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.