Finding the Fourth Proportional to 406,219.19, 561,166.41 and 324,440.08
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Solution
The fourth proportional to 406,219.19, 561,166.41 and 324,440.08 is: 448,193.68
Step by Step Solution
- Step 1: Write the proportion equation
406,219.19 : 561,166.41 = 324,440.08 : x - Step 2: Convert to fraction form
406,219.19/561,166.41 = 324,440.08/x - Step 3: Cross multiply
406,219.19x = 561,166.41 × 324,440.08 - Step 4: Simplify right side
406,219.19x = 182,064,872,147.88 - Step 5: Solve for x
x = 182,064,872,147.88/406,219.19 - Step 6: Final answer
x = 448,193.68
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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.