Finding the Fourth Proportional to 216,971.08, 325,478.02 and 74,797.63
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Solution
The fourth proportional to 216,971.08, 325,478.02 and 74,797.63 is: 112,203.82
Step by Step Solution
- Step 1: Write the proportion equation
216,971.08 : 325,478.02 = 74,797.63 : x - Step 2: Convert to fraction form
216,971.08/325,478.02 = 74,797.63/x - Step 3: Cross multiply
216,971.08x = 325,478.02 × 74,797.63 - Step 4: Simplify right side
216,971.08x = 24,344,983,863.02 - Step 5: Solve for x
x = 24,344,983,863.02/216,971.08 - Step 6: Final answer
x = 112,203.82
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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.