Finding the Fourth Proportional to 146,995.06, 220,421.26 and 86,221.94
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Solution
The fourth proportional to 146,995.06, 220,421.26 and 86,221.94 is: 129,291.07
Step by Step Solution
- Step 1: Write the proportion equation
146,995.06 : 220,421.26 = 86,221.94 : x - Step 2: Convert to fraction form
146,995.06/220,421.26 = 86,221.94/x - Step 3: Cross multiply
146,995.06x = 220,421.26 × 86,221.94 - Step 4: Simplify right side
146,995.06x = 19,005,148,654.44 - Step 5: Solve for x
x = 19,005,148,654.44/146,995.06 - Step 6: Final answer
x = 129,291.07
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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.