Finding the Fourth Proportional to 85,208.68, 127,813.83 and 22,879.18
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Solution
The fourth proportional to 85,208.68, 127,813.83 and 22,879.18 is: 34,318.99
Step by Step Solution
- Step 1: Write the proportion equation
85,208.68 : 127,813.83 = 22,879.18 : x - Step 2: Convert to fraction form
85,208.68/127,813.83 = 22,879.18/x - Step 3: Cross multiply
85,208.68x = 127,813.83 × 22,879.18 - Step 4: Simplify right side
85,208.68x = 2,924,275,623.06 - Step 5: Solve for x
x = 2,924,275,623.06/85,208.68 - Step 6: Final answer
x = 34,318.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.