Finding the Fourth Proportional to 198,031.60, 297,091.14 and 98,246.08
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Solution
The fourth proportional to 198,031.60, 297,091.14 and 98,246.08 is: 147,390.82
Step by Step Solution
- Step 1: Write the proportion equation
198,031.60 : 297,091.14 = 98,246.08 : x - Step 2: Convert to fraction form
198,031.60/297,091.14 = 98,246.08/x - Step 3: Cross multiply
198,031.60x = 297,091.14 × 98,246.08 - Step 4: Simplify right side
198,031.60x = 29,188,039,907.73 - Step 5: Solve for x
x = 29,188,039,907.73/198,031.60 - Step 6: Final answer
x = 147,390.82
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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.