Finding the Fourth Proportional to 97,486.28, 146,234.62 and 30,931.62
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Solution
The fourth proportional to 97,486.28, 146,234.62 and 30,931.62 is: 46,399.08
Step by Step Solution
- Step 1: Write the proportion equation
97,486.28 : 146,234.62 = 30,931.62 : x - Step 2: Convert to fraction form
97,486.28/146,234.62 = 30,931.62/x - Step 3: Cross multiply
97,486.28x = 146,234.62 × 30,931.62 - Step 4: Simplify right side
97,486.28x = 4,523,273,835.55 - Step 5: Solve for x
x = 4,523,273,835.55/97,486.28 - Step 6: Final answer
x = 46,399.08
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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.