Finding the Fourth Proportional to 188,602.05, 260,265.64 and 103,719.12
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Solution
The fourth proportional to 188,602.05, 260,265.64 and 103,719.12 is: 143,129.53
Step by Step Solution
- Step 1: Write the proportion equation
188,602.05 : 260,265.64 = 103,719.12 : x - Step 2: Convert to fraction form
188,602.05/260,265.64 = 103,719.12/x - Step 3: Cross multiply
188,602.05x = 260,265.64 × 103,719.12 - Step 4: Simplify right side
188,602.05x = 26,994,523,147.04 - Step 5: Solve for x
x = 26,994,523,147.04/188,602.05 - Step 6: Final answer
x = 143,129.53
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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.