Finding the Fourth Proportional to 171,409.13, 236,544.59 and 104,341.13
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Solution
The fourth proportional to 171,409.13, 236,544.59 and 104,341.13 is: 143,990.75
Step by Step Solution
- Step 1: Write the proportion equation
171,409.13 : 236,544.59 = 104,341.13 : x - Step 2: Convert to fraction form
171,409.13/236,544.59 = 104,341.13/x - Step 3: Cross multiply
171,409.13x = 236,544.59 × 104,341.13 - Step 4: Simplify right side
171,409.13x = 24,681,329,815.99 - Step 5: Solve for x
x = 24,681,329,815.99/171,409.13 - Step 6: Final answer
x = 143,990.75
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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.