Finding the Fourth Proportional to 216,176.81, 324,258.17 and 97,848.23
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Solution
The fourth proportional to 216,176.81, 324,258.17 and 97,848.23 is: 146,769.15
Step by Step Solution
- Step 1: Write the proportion equation
216,176.81 : 324,258.17 = 97,848.23 : x - Step 2: Convert to fraction form
216,176.81/324,258.17 = 97,848.23/x - Step 3: Cross multiply
216,176.81x = 324,258.17 × 97,848.23 - Step 4: Simplify right side
216,176.81x = 31,728,085,887.01 - Step 5: Solve for x
x = 31,728,085,887.01/216,176.81 - Step 6: Final answer
x = 146,769.15
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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.