Finding the Fourth Proportional to 163,392.82, 245,299.12 and 125,976.66
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Solution
The fourth proportional to 163,392.82, 245,299.12 and 125,976.66 is: 189,126.82
Step by Step Solution
- Step 1: Write the proportion equation
163,392.82 : 245,299.12 = 125,976.66 : x - Step 2: Convert to fraction form
163,392.82/245,299.12 = 125,976.66/x - Step 3: Cross multiply
163,392.82x = 245,299.12 × 125,976.66 - Step 4: Simplify right side
163,392.82x = 30,901,963,838.54 - Step 5: Solve for x
x = 30,901,963,838.54/163,392.82 - Step 6: Final answer
x = 189,126.82
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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.