Finding the Fourth Proportional to 238,239.19, 328,770.44 and 130,816.08
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Solution
The fourth proportional to 238,239.19, 328,770.44 and 130,816.08 is: 180,526.39
Step by Step Solution
- Step 1: Write the proportion equation
238,239.19 : 328,770.44 = 130,816.08 : x - Step 2: Convert to fraction form
238,239.19/328,770.44 = 130,816.08/x - Step 3: Cross multiply
238,239.19x = 328,770.44 × 130,816.08 - Step 4: Simplify right side
238,239.19x = 43,008,460,753.00 - Step 5: Solve for x
x = 43,008,460,753.00/238,239.19 - Step 6: Final answer
x = 180,526.39
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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.