Finding the Fourth Proportional to 277,206.86, 382,543.60 and 156,349.18
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Solution
The fourth proportional to 277,206.86, 382,543.60 and 156,349.18 is: 215,760.82
Step by Step Solution
- Step 1: Write the proportion equation
277,206.86 : 382,543.60 = 156,349.18 : x - Step 2: Convert to fraction form
277,206.86/382,543.60 = 156,349.18/x - Step 3: Cross multiply
277,206.86x = 382,543.60 × 156,349.18 - Step 4: Simplify right side
277,206.86x = 59,810,378,174.25 - Step 5: Solve for x
x = 59,810,378,174.25/277,206.86 - Step 6: Final answer
x = 215,760.82
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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.