Finding the Fourth Proportional to 115,247.46, 158,679.57 and 97,985.88
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Solution
The fourth proportional to 115,247.46, 158,679.57 and 97,985.88 is: 134,912.80
Step by Step Solution
- Step 1: Write the proportion equation
115,247.46 : 158,679.57 = 97,985.88 : x - Step 2: Convert to fraction form
115,247.46/158,679.57 = 97,985.88/x - Step 3: Cross multiply
115,247.46x = 158,679.57 × 97,985.88 - Step 4: Simplify right side
115,247.46x = 15,548,357,304.47 - Step 5: Solve for x
x = 15,548,357,304.47/115,247.46 - Step 6: Final answer
x = 134,912.80
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1.5x scale
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.