Finding the Fourth Proportional to 115,248.21, 158,680.60 and 97,986.63
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Solution
The fourth proportional to 115,248.21, 158,680.60 and 97,986.63 is: 134,913.83
Step by Step Solution
- Step 1: Write the proportion equation
115,248.21 : 158,680.60 = 97,986.63 : x - Step 2: Convert to fraction form
115,248.21/158,680.60 = 97,986.63/x - Step 3: Cross multiply
115,248.21x = 158,680.60 × 97,986.63 - Step 4: Simplify right side
115,248.21x = 15,548,577,240.38 - Step 5: Solve for x
x = 15,548,577,240.38/115,248.21 - Step 6: Final answer
x = 134,913.83
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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.