Finding the Fourth Proportional to 216,007.40, 324,184.36 and 97,689.08
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Solution
The fourth proportional to 216,007.40, 324,184.36 and 97,689.08 is: 146,611.98
Step by Step Solution
- Step 1: Write the proportion equation
216,007.40 : 324,184.36 = 97,689.08 : x - Step 2: Convert to fraction form
216,007.40/324,184.36 = 97,689.08/x - Step 3: Cross multiply
216,007.40x = 324,184.36 × 97,689.08 - Step 4: Simplify right side
216,007.40x = 31,669,271,878.79 - Step 5: Solve for x
x = 31,669,271,878.79/216,007.40 - Step 6: Final answer
x = 146,611.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.