Finding the Fourth Proportional to 192,427.36, 265,538.32 and 106,381.19
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Solution
The fourth proportional to 192,427.36, 265,538.32 and 106,381.19 is: 146,799.71
Step by Step Solution
- Step 1: Write the proportion equation
192,427.36 : 265,538.32 = 106,381.19 : x - Step 2: Convert to fraction form
192,427.36/265,538.32 = 106,381.19/x - Step 3: Cross multiply
192,427.36x = 265,538.32 × 106,381.19 - Step 4: Simplify right side
192,427.36x = 28,248,281,243.46 - Step 5: Solve for x
x = 28,248,281,243.46/192,427.36 - Step 6: Final answer
x = 146,799.71
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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.