Finding the Fourth Proportional to 407,424.78, 562,237.74 and 226,126.08
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Solution
The fourth proportional to 407,424.78, 562,237.74 and 226,126.08 is: 312,049.30
Step by Step Solution
- Step 1: Write the proportion equation
407,424.78 : 562,237.74 = 226,126.08 : x - Step 2: Convert to fraction form
407,424.78/562,237.74 = 226,126.08/x - Step 3: Cross multiply
407,424.78x = 562,237.74 × 226,126.08 - Step 4: Simplify right side
407,424.78x = 127,136,616,174.26 - Step 5: Solve for x
x = 127,136,616,174.26/407,424.78 - Step 6: Final answer
x = 312,049.30
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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.