Finding the Fourth Proportional to 299,583.74, 412,722.36 and 208,774.64
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Solution
The fourth proportional to 299,583.74, 412,722.36 and 208,774.64 is: 287,618.95
Step by Step Solution
- Step 1: Write the proportion equation
299,583.74 : 412,722.36 = 208,774.64 : x - Step 2: Convert to fraction form
299,583.74/412,722.36 = 208,774.64/x - Step 3: Cross multiply
299,583.74x = 412,722.36 × 208,774.64 - Step 4: Simplify right side
299,583.74x = 86,165,962,128.95 - Step 5: Solve for x
x = 86,165,962,128.95/299,583.74 - Step 6: Final answer
x = 287,618.95
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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.