Finding the Fourth Proportional to 304,212.48, 419,374.08 and 208,567.68
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Solution
The fourth proportional to 304,212.48, 419,374.08 and 208,567.68 is: 287,522.32
Step by Step Solution
- Step 1: Write the proportion equation
304,212.48 : 419,374.08 = 208,567.68 : x - Step 2: Convert to fraction form
304,212.48/419,374.08 = 208,567.68/x - Step 3: Cross multiply
304,212.48x = 419,374.08 × 208,567.68 - Step 4: Simplify right side
304,212.48x = 87,467,878,917.73 - Step 5: Solve for x
x = 87,467,878,917.73/304,212.48 - Step 6: Final answer
x = 287,522.32
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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.