Finding the Fourth Proportional to 366,889.62, 506,312.87 and 221,675.21
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Solution
The fourth proportional to 366,889.62, 506,312.87 and 221,675.21 is: 305,914.92
Step by Step Solution
- Step 1: Write the proportion equation
366,889.62 : 506,312.87 = 221,675.21 : x - Step 2: Convert to fraction form
366,889.62/506,312.87 = 221,675.21/x - Step 3: Cross multiply
366,889.62x = 506,312.87 × 221,675.21 - Step 4: Simplify right side
366,889.62x = 112,237,008,143.01 - Step 5: Solve for x
x = 112,237,008,143.01/366,889.62 - Step 6: Final answer
x = 305,914.92
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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.