Finding the Fourth Proportional to 144,383.19, 216,545.63 and 39,203.07
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Solution
The fourth proportional to 144,383.19, 216,545.63 and 39,203.07 is: 58,796.69
Step by Step Solution
- Step 1: Write the proportion equation
144,383.19 : 216,545.63 = 39,203.07 : x - Step 2: Convert to fraction form
144,383.19/216,545.63 = 39,203.07/x - Step 3: Cross multiply
144,383.19x = 216,545.63 × 39,203.07 - Step 4: Simplify right side
144,383.19x = 8,489,253,295.07 - Step 5: Solve for x
x = 8,489,253,295.07/144,383.19 - Step 6: Final answer
x = 58,796.69
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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.