Finding the Fourth Proportional to 97,330.20, 145,995.30 and 84,499.80
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Solution
The fourth proportional to 97,330.20, 145,995.30 and 84,499.80 is: 126,749.70
Step by Step Solution
- Step 1: Write the proportion equation
97,330.20 : 145,995.30 = 84,499.80 : x - Step 2: Convert to fraction form
97,330.20/145,995.30 = 84,499.80/x - Step 3: Cross multiply
97,330.20x = 145,995.30 × 84,499.80 - Step 4: Simplify right side
97,330.20x = 12,336,573,650.94 - Step 5: Solve for x
x = 12,336,573,650.94/97,330.20 - Step 6: Final answer
x = 126,749.70
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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.