Finding the Fourth Proportional to 163,312.44, 244,738.91 and 129,884.15
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Solution
The fourth proportional to 163,312.44, 244,738.91 and 129,884.15 is: 194,643.49
Step by Step Solution
- Step 1: Write the proportion equation
163,312.44 : 244,738.91 = 129,884.15 : x - Step 2: Convert to fraction form
163,312.44/244,738.91 = 129,884.15/x - Step 3: Cross multiply
163,312.44x = 244,738.91 × 129,884.15 - Step 4: Simplify right side
163,312.44x = 31,787,703,424.16 - Step 5: Solve for x
x = 31,787,703,424.16/163,312.44 - Step 6: Final answer
x = 194,643.49
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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.