Finding the Fourth Proportional to 192,518.64, 265,670.28 and 107,643.60
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Solution
The fourth proportional to 192,518.64, 265,670.28 and 107,643.60 is: 148,545.12
Step by Step Solution
- Step 1: Write the proportion equation
192,518.64 : 265,670.28 = 107,643.60 : x - Step 2: Convert to fraction form
192,518.64/265,670.28 = 107,643.60/x - Step 3: Cross multiply
192,518.64x = 265,670.28 × 107,643.60 - Step 4: Simplify right side
192,518.64x = 28,597,705,352.21 - Step 5: Solve for x
x = 28,597,705,352.21/192,518.64 - Step 6: Final answer
x = 148,545.12
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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.