Finding the Fourth Proportional to 221,848.80, 306,157.44 and 135,806.01
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Solution
The fourth proportional to 221,848.80, 306,157.44 and 135,806.01 is: 187,416.03
Step by Step Solution
- Step 1: Write the proportion equation
221,848.80 : 306,157.44 = 135,806.01 : x - Step 2: Convert to fraction form
221,848.80/306,157.44 = 135,806.01/x - Step 3: Cross multiply
221,848.80x = 306,157.44 × 135,806.01 - Step 4: Simplify right side
221,848.80x = 41,578,020,358.21 - Step 5: Solve for x
x = 41,578,020,358.21/221,848.80 - Step 6: Final answer
x = 187,416.03
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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.