Finding the Fourth Proportional to 199,808.06, 275,735.12 and 114,925.12
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Solution
The fourth proportional to 199,808.06, 275,735.12 and 114,925.12 is: 158,596.66
Step by Step Solution
- Step 1: Write the proportion equation
199,808.06 : 275,735.12 = 114,925.12 : x - Step 2: Convert to fraction form
199,808.06/275,735.12 = 114,925.12/x - Step 3: Cross multiply
199,808.06x = 275,735.12 × 114,925.12 - Step 4: Simplify right side
199,808.06x = 31,688,890,490.25 - Step 5: Solve for x
x = 31,688,890,490.25/199,808.06 - Step 6: Final answer
x = 158,596.66
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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.