Finding the Fourth Proportional to 274,811.39, 412,217.99 and 97,323.58
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Solution
The fourth proportional to 274,811.39, 412,217.99 and 97,323.58 is: 145,985.69
Step by Step Solution
- Step 1: Write the proportion equation
274,811.39 : 412,217.99 = 97,323.58 : x - Step 2: Convert to fraction form
274,811.39/412,217.99 = 97,323.58/x - Step 3: Cross multiply
274,811.39x = 412,217.99 × 97,323.58 - Step 4: Simplify right side
274,811.39x = 40,118,530,527.20 - Step 5: Solve for x
x = 40,118,530,527.20/274,811.39 - Step 6: Final answer
x = 145,985.69
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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.