Finding the Fourth Proportional to 97,232.91, 134,218.32 and 65,420.26
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Solution
The fourth proportional to 97,232.91, 134,218.32 and 65,420.26 is: 90,304.79
Step by Step Solution
- Step 1: Write the proportion equation
97,232.91 : 134,218.32 = 65,420.26 : x - Step 2: Convert to fraction form
97,232.91/134,218.32 = 65,420.26/x - Step 3: Cross multiply
97,232.91x = 134,218.32 × 65,420.26 - Step 4: Simplify right side
97,232.91x = 8,780,596,810.29 - Step 5: Solve for x
x = 8,780,596,810.29/97,232.91 - Step 6: Final answer
x = 90,304.79
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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.