Finding the Fourth Proportional to 407,727.36, 562,644.60 and 226,450.98
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Solution
The fourth proportional to 407,727.36, 562,644.60 and 226,450.98 is: 312,491.71
Step by Step Solution
- Step 1: Write the proportion equation
407,727.36 : 562,644.60 = 226,450.98 : x - Step 2: Convert to fraction form
407,727.36/562,644.60 = 226,450.98/x - Step 3: Cross multiply
407,727.36x = 562,644.60 × 226,450.98 - Step 4: Simplify right side
407,727.36x = 127,411,421,061.71 - Step 5: Solve for x
x = 127,411,421,061.71/407,727.36 - Step 6: Final answer
x = 312,491.71
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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.