Finding the Fourth Proportional to 98,138.09, 147,088.32 and 44,756.99
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Solution
The fourth proportional to 98,138.09, 147,088.32 and 44,756.99 is: 67,081.30
Step by Step Solution
- Step 1: Write the proportion equation
98,138.09 : 147,088.32 = 44,756.99 : x - Step 2: Convert to fraction form
98,138.09/147,088.32 = 44,756.99/x - Step 3: Cross multiply
98,138.09x = 147,088.32 × 44,756.99 - Step 4: Simplify right side
98,138.09x = 6,583,230,799.13 - Step 5: Solve for x
x = 6,583,230,799.13/98,138.09 - Step 6: Final answer
x = 67,081.30
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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.