Finding the Fourth Proportional to 192,403.79, 265,512.64 and 107,537.26
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Solution
The fourth proportional to 192,403.79, 265,512.64 and 107,537.26 is: 148,398.85
Step by Step Solution
- Step 1: Write the proportion equation
192,403.79 : 265,512.64 = 107,537.26 : x - Step 2: Convert to fraction form
192,403.79/265,512.64 = 107,537.26/x - Step 3: Cross multiply
192,403.79x = 265,512.64 × 107,537.26 - Step 4: Simplify right side
192,403.79x = 28,552,501,263.28 - Step 5: Solve for x
x = 28,552,501,263.28/192,403.79 - Step 6: Final answer
x = 148,398.85
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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.