Finding the Fourth Proportional to 186,319.47, 280,734.62 and 153,768.63
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Solution
The fourth proportional to 186,319.47, 280,734.62 and 153,768.63 is: 231,689.03
Step by Step Solution
- Step 1: Write the proportion equation
186,319.47 : 280,734.62 = 153,768.63 : x - Step 2: Convert to fraction form
186,319.47/280,734.62 = 153,768.63/x - Step 3: Cross multiply
186,319.47x = 280,734.62 × 153,768.63 - Step 4: Simplify right side
186,319.47x = 43,168,177,142.13 - Step 5: Solve for x
x = 43,168,177,142.13/186,319.47 - Step 6: Final answer
x = 231,689.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.