Finding the Fourth Proportional to 245,198.08, 338,363.93 and 137,772.64
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Solution
The fourth proportional to 245,198.08, 338,363.93 and 137,772.64 is: 190,120.95
Step by Step Solution
- Step 1: Write the proportion equation
245,198.08 : 338,363.93 = 137,772.64 : x - Step 2: Convert to fraction form
245,198.08/338,363.93 = 137,772.64/x - Step 3: Cross multiply
245,198.08x = 338,363.93 × 137,772.64 - Step 4: Simplify right side
245,198.08x = 46,617,291,916.88 - Step 5: Solve for x
x = 46,617,291,916.88/245,198.08 - Step 6: Final answer
x = 190,120.95
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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.