Finding the Fourth Proportional to 203,722.74, 305,585.63 and 77,328.91
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Solution
The fourth proportional to 203,722.74, 305,585.63 and 77,328.91 is: 115,993.94
Step by Step Solution
- Step 1: Write the proportion equation
203,722.74 : 305,585.63 = 77,328.91 : x - Step 2: Convert to fraction form
203,722.74/305,585.63 = 77,328.91/x - Step 3: Cross multiply
203,722.74x = 305,585.63 × 77,328.91 - Step 4: Simplify right side
203,722.74x = 23,630,602,344.96 - Step 5: Solve for x
x = 23,630,602,344.96/203,722.74 - Step 6: Final answer
x = 115,993.94
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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.