Finding the Fourth Proportional to 218,602.58, 327,915.63 and 68,854.59
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Solution
The fourth proportional to 218,602.58, 327,915.63 and 68,854.59 is: 103,285.59
Step by Step Solution
- Step 1: Write the proportion equation
218,602.58 : 327,915.63 = 68,854.59 : x - Step 2: Convert to fraction form
218,602.58/327,915.63 = 68,854.59/x - Step 3: Cross multiply
218,602.58x = 327,915.63 × 68,854.59 - Step 4: Simplify right side
218,602.58x = 22,578,496,258.24 - Step 5: Solve for x
x = 22,578,496,258.24/218,602.58 - Step 6: Final answer
x = 103,285.59
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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.