Finding the Fourth Proportional to 154,020.05, 212,433.95 and 97,376.75
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Solution
The fourth proportional to 154,020.05, 212,433.95 and 97,376.75 is: 134,308.01
Step by Step Solution
- Step 1: Write the proportion equation
154,020.05 : 212,433.95 = 97,376.75 : x - Step 2: Convert to fraction form
154,020.05/212,433.95 = 97,376.75/x - Step 3: Cross multiply
154,020.05x = 212,433.95 × 97,376.75 - Step 4: Simplify right side
154,020.05x = 20,686,127,153.78 - Step 5: Solve for x
x = 20,686,127,153.78/154,020.05 - Step 6: Final answer
x = 134,308.01
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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.