Finding the Fourth Proportional to 149,202.23, 223,803.36 and 142,723.26
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Solution
The fourth proportional to 149,202.23, 223,803.36 and 142,723.26 is: 214,084.91
Step by Step Solution
- Step 1: Write the proportion equation
149,202.23 : 223,803.36 = 142,723.26 : x - Step 2: Convert to fraction form
149,202.23/223,803.36 = 142,723.26/x - Step 3: Cross multiply
149,202.23x = 223,803.36 × 142,723.26 - Step 4: Simplify right side
149,202.23x = 31,941,945,138.15 - Step 5: Solve for x
x = 31,941,945,138.15/149,202.23 - Step 6: Final answer
x = 214,084.91
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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.