Finding the Fourth Proportional to 260,114.20, 358,998.42 and 188,468.08
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Solution
The fourth proportional to 260,114.20, 358,998.42 and 188,468.08 is: 260,115.53
Step by Step Solution
- Step 1: Write the proportion equation
260,114.20 : 358,998.42 = 188,468.08 : x - Step 2: Convert to fraction form
260,114.20/358,998.42 = 188,468.08/x - Step 3: Cross multiply
260,114.20x = 358,998.42 × 188,468.08 - Step 4: Simplify right side
260,114.20x = 67,659,742,940.43 - Step 5: Solve for x
x = 67,659,742,940.43/260,114.20 - Step 6: Final answer
x = 260,115.53
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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.