Finding the Fourth Proportional to 188,623.17, 260,407.62 and 125,047.08
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Solution
The fourth proportional to 188,623.17, 260,407.62 and 125,047.08 is: 172,636.33
Step by Step Solution
- Step 1: Write the proportion equation
188,623.17 : 260,407.62 = 125,047.08 : x - Step 2: Convert to fraction form
188,623.17/260,407.62 = 125,047.08/x - Step 3: Cross multiply
188,623.17x = 260,407.62 × 125,047.08 - Step 4: Simplify right side
188,623.17x = 32,563,212,490.75 - Step 5: Solve for x
x = 32,563,212,490.75/188,623.17 - Step 6: Final answer
x = 172,636.33
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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.