Finding the Fourth Proportional to 208,879.07, 288,259.98 and 118,233.08
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Solution
The fourth proportional to 208,879.07, 288,259.98 and 118,233.08 is: 163,165.54
Step by Step Solution
- Step 1: Write the proportion equation
208,879.07 : 288,259.98 = 118,233.08 : x - Step 2: Convert to fraction form
208,879.07/288,259.98 = 118,233.08/x - Step 3: Cross multiply
208,879.07x = 288,259.98 × 118,233.08 - Step 4: Simplify right side
208,879.07x = 34,081,865,553.41 - Step 5: Solve for x
x = 34,081,865,553.41/208,879.07 - Step 6: Final answer
x = 163,165.54
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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.