Finding the Fourth Proportional to 146,258.18, 201,898.44 and 88,915.81
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Solution
The fourth proportional to 146,258.18, 201,898.44 and 88,915.81 is: 122,741.61
Step by Step Solution
- Step 1: Write the proportion equation
146,258.18 : 201,898.44 = 88,915.81 : x - Step 2: Convert to fraction form
146,258.18/201,898.44 = 88,915.81/x - Step 3: Cross multiply
146,258.18x = 201,898.44 × 88,915.81 - Step 4: Simplify right side
146,258.18x = 17,951,964,028.98 - Step 5: Solve for x
x = 17,951,964,028.98/146,258.18 - Step 6: Final answer
x = 122,741.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.