Finding the Fourth Proportional to 192,557.87, 265,709.42 and 106,503.18
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Solution
The fourth proportional to 192,557.87, 265,709.42 and 106,503.18 is: 146,963.08
Step by Step Solution
- Step 1: Write the proportion equation
192,557.87 : 265,709.42 = 106,503.18 : x - Step 2: Convert to fraction form
192,557.87/265,709.42 = 106,503.18/x - Step 3: Cross multiply
192,557.87x = 265,709.42 × 106,503.18 - Step 4: Simplify right side
192,557.87x = 28,298,897,653.44 - Step 5: Solve for x
x = 28,298,897,653.44/192,557.87 - Step 6: Final answer
x = 146,963.08
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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.