Finding the Fourth Proportional to 277,021.96, 382,267.36 and 156,192.95
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Solution
The fourth proportional to 277,021.96, 382,267.36 and 156,192.95 is: 215,533.33
Step by Step Solution
- Step 1: Write the proportion equation
277,021.96 : 382,267.36 = 156,192.95 : x - Step 2: Convert to fraction form
277,021.96/382,267.36 = 156,192.95/x - Step 3: Cross multiply
277,021.96x = 382,267.36 × 156,192.95 - Step 4: Simplify right side
277,021.96x = 59,707,466,647.11 - Step 5: Solve for x
x = 59,707,466,647.11/277,021.96 - Step 6: Final answer
x = 215,533.33
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1.5x scale
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.