Finding the Fourth Proportional to 98,068.20, 147,124.16 and 35,738.70
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Solution
The fourth proportional to 98,068.20, 147,124.16 and 35,738.70 is: 53,616.02
Step by Step Solution
- Step 1: Write the proportion equation
98,068.20 : 147,124.16 = 35,738.70 : x - Step 2: Convert to fraction form
98,068.20/147,124.16 = 35,738.70/x - Step 3: Cross multiply
98,068.20x = 147,124.16 × 35,738.70 - Step 4: Simplify right side
98,068.20x = 5,258,026,216.99 - Step 5: Solve for x
x = 5,258,026,216.99/98,068.20 - Step 6: Final answer
x = 53,616.02
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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.