Finding the Fourth Proportional to 98,432.64, 147,639.60 and 39,252.48
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Solution
The fourth proportional to 98,432.64, 147,639.60 and 39,252.48 is: 58,874.99
Step by Step Solution
- Step 1: Write the proportion equation
98,432.64 : 147,639.60 = 39,252.48 : x - Step 2: Convert to fraction form
98,432.64/147,639.60 = 39,252.48/x - Step 3: Cross multiply
98,432.64x = 147,639.60 × 39,252.48 - Step 4: Simplify right side
98,432.64x = 5,795,220,446.21 - Step 5: Solve for x
x = 5,795,220,446.21/98,432.64 - Step 6: Final answer
x = 58,874.99
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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.