Finding the Fourth Proportional to 342,324.63, 472,248.92 and 221,504.88
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Solution
The fourth proportional to 342,324.63, 472,248.92 and 221,504.88 is: 305,573.80
Step by Step Solution
- Step 1: Write the proportion equation
342,324.63 : 472,248.92 = 221,504.88 : x - Step 2: Convert to fraction form
342,324.63/472,248.92 = 221,504.88/x - Step 3: Cross multiply
342,324.63x = 472,248.92 × 221,504.88 - Step 4: Simplify right side
342,324.63x = 104,605,439,247.21 - Step 5: Solve for x
x = 104,605,439,247.21/342,324.63 - Step 6: Final answer
x = 305,573.80
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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.