Finding the Fourth Proportional to 169,639.68, 234,110.88 and 98,029.20
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Solution
The fourth proportional to 169,639.68, 234,110.88 and 98,029.20 is: 135,284.99
Step by Step Solution
- Step 1: Write the proportion equation
169,639.68 : 234,110.88 = 98,029.20 : x - Step 2: Convert to fraction form
169,639.68/234,110.88 = 98,029.20/x - Step 3: Cross multiply
169,639.68x = 234,110.88 × 98,029.20 - Step 4: Simplify right side
169,639.68x = 22,949,702,277.70 - Step 5: Solve for x
x = 22,949,702,277.70/169,639.68 - Step 6: Final answer
x = 135,284.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.