Finding the Fourth Proportional to 192,386.63, 265,493.55 and 107,511.59
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Solution
The fourth proportional to 192,386.63, 265,493.55 and 107,511.59 is: 148,365.99
Step by Step Solution
- Step 1: Write the proportion equation
192,386.63 : 265,493.55 = 107,511.59 : x - Step 2: Convert to fraction form
192,386.63/265,493.55 = 107,511.59/x - Step 3: Cross multiply
192,386.63x = 265,493.55 × 107,511.59 - Step 4: Simplify right side
192,386.63x = 28,543,631,830.22 - Step 5: Solve for x
x = 28,543,631,830.22/192,386.63 - Step 6: Final answer
x = 148,365.99
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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.