Finding the Fourth Proportional to 199,477.98, 275,315.22 and 118,910.70
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Solution
The fourth proportional to 199,477.98, 275,315.22 and 118,910.70 is: 164,117.99
Step by Step Solution
- Step 1: Write the proportion equation
199,477.98 : 275,315.22 = 118,910.70 : x - Step 2: Convert to fraction form
199,477.98/275,315.22 = 118,910.70/x - Step 3: Cross multiply
199,477.98x = 275,315.22 × 118,910.70 - Step 4: Simplify right side
199,477.98x = 32,737,925,530.85 - Step 5: Solve for x
x = 32,737,925,530.85/199,477.98 - Step 6: Final answer
x = 164,117.99
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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.