Finding the Fourth Proportional to 258,188.51, 387,348.47 and 151,662.54
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Solution
The fourth proportional to 258,188.51, 387,348.47 and 151,662.54 is: 227,532.41
Step by Step Solution
- Step 1: Write the proportion equation
258,188.51 : 387,348.47 = 151,662.54 : x - Step 2: Convert to fraction form
258,188.51/387,348.47 = 151,662.54/x - Step 3: Cross multiply
258,188.51x = 387,348.47 × 151,662.54 - Step 4: Simplify right side
258,188.51x = 58,746,252,067.00 - Step 5: Solve for x
x = 58,746,252,067.00/258,188.51 - Step 6: Final answer
x = 227,532.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.