Finding the Fourth Proportional to 188,670.79, 260,370.75 and 103,790.08
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Solution
The fourth proportional to 188,670.79, 260,370.75 and 103,790.08 is: 143,233.09
Step by Step Solution
- Step 1: Write the proportion equation
188,670.79 : 260,370.75 = 103,790.08 : x - Step 2: Convert to fraction form
188,670.79/260,370.75 = 103,790.08/x - Step 3: Cross multiply
188,670.79x = 260,370.75 × 103,790.08 - Step 4: Simplify right side
188,670.79x = 27,023,900,972.16 - Step 5: Solve for x
x = 27,023,900,972.16/188,670.79 - Step 6: Final answer
x = 143,233.09
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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.