Finding the Fourth Proportional to 154,318.68, 213,052.68 and 100,696.68
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Solution
The fourth proportional to 154,318.68, 213,052.68 and 100,696.68 is: 139,022.04
Step by Step Solution
- Step 1: Write the proportion equation
154,318.68 : 213,052.68 = 100,696.68 : x - Step 2: Convert to fraction form
154,318.68/213,052.68 = 100,696.68/x - Step 3: Cross multiply
154,318.68x = 213,052.68 × 100,696.68 - Step 4: Simplify right side
154,318.68x = 21,453,697,541.10 - Step 5: Solve for x
x = 21,453,697,541.10/154,318.68 - Step 6: Final answer
x = 139,022.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.