Finding the Fourth Proportional to 143,041.34, 214,703.26 and 107,378.66
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Solution
The fourth proportional to 143,041.34, 214,703.26 and 107,378.66 is: 161,174.02
Step by Step Solution
- Step 1: Write the proportion equation
143,041.34 : 214,703.26 = 107,378.66 : x - Step 2: Convert to fraction form
143,041.34/214,703.26 = 107,378.66/x - Step 3: Cross multiply
143,041.34x = 214,703.26 × 107,378.66 - Step 4: Simplify right side
143,041.34x = 23,054,548,624.74 - Step 5: Solve for x
x = 23,054,548,624.74/143,041.34 - Step 6: Final answer
x = 161,174.02
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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.