Finding the Fourth Proportional to 355,951.58, 491,235.99 and 205,045.98
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Solution
The fourth proportional to 355,951.58, 491,235.99 and 205,045.98 is: 282,976.59
Step by Step Solution
- Step 1: Write the proportion equation
355,951.58 : 491,235.99 = 205,045.98 : x - Step 2: Convert to fraction form
355,951.58/491,235.99 = 205,045.98/x - Step 3: Cross multiply
355,951.58x = 491,235.99 × 205,045.98 - Step 4: Simplify right side
355,951.58x = 100,725,964,980.82 - Step 5: Solve for x
x = 100,725,964,980.82/355,951.58 - Step 6: Final answer
x = 282,976.59
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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.