Finding the Fourth Proportional to 97,221.09, 145,831.66 and 23,349.09
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Solution
The fourth proportional to 97,221.09, 145,831.66 and 23,349.09 is: 35,023.64
Step by Step Solution
- Step 1: Write the proportion equation
97,221.09 : 145,831.66 = 23,349.09 : x - Step 2: Convert to fraction form
97,221.09/145,831.66 = 23,349.09/x - Step 3: Cross multiply
97,221.09x = 145,831.66 × 23,349.09 - Step 4: Simplify right side
97,221.09x = 3,405,037,042.69 - Step 5: Solve for x
x = 3,405,037,042.69/97,221.09 - Step 6: Final answer
x = 35,023.64
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Similar ratio
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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.