Finding the Fourth Proportional to 406,910.30, 610,442.00 and 163,769.96
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Solution
The fourth proportional to 406,910.30, 610,442.00 and 163,769.96 is: 245,685.74
Step by Step Solution
- Step 1: Write the proportion equation
406,910.30 : 610,442.00 = 163,769.96 : x - Step 2: Convert to fraction form
406,910.30/610,442.00 = 163,769.96/x - Step 3: Cross multiply
406,910.30x = 610,442.00 × 163,769.96 - Step 4: Simplify right side
406,910.30x = 99,972,058,051.26 - Step 5: Solve for x
x = 99,972,058,051.26/406,910.30 - Step 6: Final answer
x = 245,685.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.