Finding the Fourth Proportional to 250,054.21, 345,083.12 and 136,876.96
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Solution
The fourth proportional to 250,054.21, 345,083.12 and 136,876.96 is: 188,894.75
Step by Step Solution
- Step 1: Write the proportion equation
250,054.21 : 345,083.12 = 136,876.96 : x - Step 2: Convert to fraction form
250,054.21/345,083.12 = 136,876.96/x - Step 3: Cross multiply
250,054.21x = 345,083.12 × 136,876.96 - Step 4: Simplify right side
250,054.21x = 47,233,928,412.92 - Step 5: Solve for x
x = 47,233,928,412.92/250,054.21 - Step 6: Final answer
x = 188,894.75
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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.