Finding the Fourth Proportional to 190,177.64, 262,442.93 and 104,135.79
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Solution
The fourth proportional to 190,177.64, 262,442.93 and 104,135.79 is: 143,706.18
Step by Step Solution
- Step 1: Write the proportion equation
190,177.64 : 262,442.93 = 104,135.79 : x - Step 2: Convert to fraction form
190,177.64/262,442.93 = 104,135.79/x - Step 3: Cross multiply
190,177.64x = 262,442.93 × 104,135.79 - Step 4: Simplify right side
190,177.64x = 27,329,701,324.79 - Step 5: Solve for x
x = 27,329,701,324.79/190,177.64 - Step 6: Final answer
x = 143,706.18
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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.