Finding the Fourth Proportional to 145,052.88, 200,187.36 and 97,405.44
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Solution
The fourth proportional to 145,052.88, 200,187.36 and 97,405.44 is: 134,429.17
Step by Step Solution
- Step 1: Write the proportion equation
145,052.88 : 200,187.36 = 97,405.44 : x - Step 2: Convert to fraction form
145,052.88/200,187.36 = 97,405.44/x - Step 3: Cross multiply
145,052.88x = 200,187.36 × 97,405.44 - Step 4: Simplify right side
145,052.88x = 19,499,337,883.24 - Step 5: Solve for x
x = 19,499,337,883.24/145,052.88 - Step 6: Final answer
x = 134,429.17
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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.