Finding the Fourth Proportional to 98,951.88, 148,181.62 and 69,230.56
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Solution
The fourth proportional to 98,951.88, 148,181.62 and 69,230.56 is: 103,673.59
Step by Step Solution
- Step 1: Write the proportion equation
98,951.88 : 148,181.62 = 69,230.56 : x - Step 2: Convert to fraction form
98,951.88/148,181.62 = 69,230.56/x - Step 3: Cross multiply
98,951.88x = 148,181.62 × 69,230.56 - Step 4: Simplify right side
98,951.88x = 10,258,696,534.31 - Step 5: Solve for x
x = 10,258,696,534.31/98,951.88 - Step 6: Final answer
x = 103,673.59
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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.