Finding the Fourth Proportional to 116,368.47, 174,208.24 and 71,852.09
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Solution
The fourth proportional to 116,368.47, 174,208.24 and 71,852.09 is: 107,565.44
Step by Step Solution
- Step 1: Write the proportion equation
116,368.47 : 174,208.24 = 71,852.09 : x - Step 2: Convert to fraction form
116,368.47/174,208.24 = 71,852.09/x - Step 3: Cross multiply
116,368.47x = 174,208.24 × 71,852.09 - Step 4: Simplify right side
116,368.47x = 12,517,226,139.22 - Step 5: Solve for x
x = 12,517,226,139.22/116,368.47 - Step 6: Final answer
x = 107,565.44
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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.