Finding the Fourth Proportional to 216,931.08, 325,320.36 and 65,082.88
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Solution
The fourth proportional to 216,931.08, 325,320.36 and 65,082.88 is: 97,601.44
Step by Step Solution
- Step 1: Write the proportion equation
216,931.08 : 325,320.36 = 65,082.88 : x - Step 2: Convert to fraction form
216,931.08/325,320.36 = 65,082.88/x - Step 3: Cross multiply
216,931.08x = 325,320.36 × 65,082.88 - Step 4: Simplify right side
216,931.08x = 21,172,785,951.44 - Step 5: Solve for x
x = 21,172,785,951.44/216,931.08 - Step 6: Final answer
x = 97,601.44
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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.