Finding the Fourth Proportional to 142,891.36, 214,337.04 and 49,346.08
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Solution
The fourth proportional to 142,891.36, 214,337.04 and 49,346.08 is: 74,019.12
Step by Step Solution
- Step 1: Write the proportion equation
142,891.36 : 214,337.04 = 49,346.08 : x - Step 2: Convert to fraction form
142,891.36/214,337.04 = 49,346.08/x - Step 3: Cross multiply
142,891.36x = 214,337.04 × 49,346.08 - Step 4: Simplify right side
142,891.36x = 10,576,692,722.80 - Step 5: Solve for x
x = 10,576,692,722.80/142,891.36 - Step 6: Final answer
x = 74,019.12
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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.