Finding the Fourth Proportional to 248,051.06, 371,956.21 and 145,496.40
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Solution
The fourth proportional to 248,051.06, 371,956.21 and 145,496.40 is: 218,173.99
Step by Step Solution
- Step 1: Write the proportion equation
248,051.06 : 371,956.21 = 145,496.40 : x - Step 2: Convert to fraction form
248,051.06/371,956.21 = 145,496.40/x - Step 3: Cross multiply
248,051.06x = 371,956.21 × 145,496.40 - Step 4: Simplify right side
248,051.06x = 54,118,289,512.64 - Step 5: Solve for x
x = 54,118,289,512.64/248,051.06 - Step 6: Final answer
x = 218,173.99
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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.