Finding the Fourth Proportional to 201,660.80, 302,248.20 and 117,258.80
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Solution
The fourth proportional to 201,660.80, 302,248.20 and 117,258.80 is: 175,746.90
Step by Step Solution
- Step 1: Write the proportion equation
201,660.80 : 302,248.20 = 117,258.80 : x - Step 2: Convert to fraction form
201,660.80/302,248.20 = 117,258.80/x - Step 3: Cross multiply
201,660.80x = 302,248.20 × 117,258.80 - Step 4: Simplify right side
201,660.80x = 35,441,261,234.16 - Step 5: Solve for x
x = 35,441,261,234.16/201,660.80 - Step 6: Final answer
x = 175,746.90
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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.