Finding the Fourth Proportional to 157,317.08, 236,010.16 and 115,637.72
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Solution
The fourth proportional to 157,317.08, 236,010.16 and 115,637.72 is: 173,481.97
Step by Step Solution
- Step 1: Write the proportion equation
157,317.08 : 236,010.16 = 115,637.72 : x - Step 2: Convert to fraction form
157,317.08/236,010.16 = 115,637.72/x - Step 3: Cross multiply
157,317.08x = 236,010.16 × 115,637.72 - Step 4: Simplify right side
157,317.08x = 27,291,676,799.24 - Step 5: Solve for x
x = 27,291,676,799.24/157,317.08 - Step 6: Final answer
x = 173,481.97
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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.