Finding the Fourth Proportional to 258,052.79, 387,206.01 and 115,998.44
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Solution
The fourth proportional to 258,052.79, 387,206.01 and 115,998.44 is: 174,054.66
Step by Step Solution
- Step 1: Write the proportion equation
258,052.79 : 387,206.01 = 115,998.44 : x - Step 2: Convert to fraction form
258,052.79/387,206.01 = 115,998.44/x - Step 3: Cross multiply
258,052.79x = 387,206.01 × 115,998.44 - Step 4: Simplify right side
258,052.79x = 44,915,290,602.60 - Step 5: Solve for x
x = 44,915,290,602.60/258,052.79 - Step 6: Final answer
x = 174,054.66
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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.