Finding the Fourth Proportional to 118,216.30, 177,324.45 and 97,221.10
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Solution
The fourth proportional to 118,216.30, 177,324.45 and 97,221.10 is: 145,831.65
Step by Step Solution
- Step 1: Write the proportion equation
118,216.30 : 177,324.45 = 97,221.10 : x - Step 2: Convert to fraction form
118,216.30/177,324.45 = 97,221.10/x - Step 3: Cross multiply
118,216.30x = 177,324.45 × 97,221.10 - Step 4: Simplify right side
118,216.30x = 17,239,678,085.90 - Step 5: Solve for x
x = 17,239,678,085.90/118,216.30 - Step 6: Final answer
x = 145,831.65
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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.