Finding the Fourth Proportional to 217,232.10, 325,848.15 and 146,729.70
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Solution
The fourth proportional to 217,232.10, 325,848.15 and 146,729.70 is: 220,094.55
Step by Step Solution
- Step 1: Write the proportion equation
217,232.10 : 325,848.15 = 146,729.70 : x - Step 2: Convert to fraction form
217,232.10/325,848.15 = 146,729.70/x - Step 3: Cross multiply
217,232.10x = 325,848.15 × 146,729.70 - Step 4: Simplify right side
217,232.10x = 47,811,601,295.06 - Step 5: Solve for x
x = 47,811,601,295.06/217,232.10 - Step 6: Final answer
x = 220,094.55
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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.