Finding the Fourth Proportional to 249,697.15, 374,581.26 and 81,163.28
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Solution
The fourth proportional to 249,697.15, 374,581.26 and 81,163.28 is: 121,756.48
Step by Step Solution
- Step 1: Write the proportion equation
249,697.15 : 374,581.26 = 81,163.28 : x - Step 2: Convert to fraction form
249,697.15/374,581.26 = 81,163.28/x - Step 3: Cross multiply
249,697.15x = 374,581.26 × 81,163.28 - Step 4: Simplify right side
249,697.15x = 30,402,244,624.59 - Step 5: Solve for x
x = 30,402,244,624.59/249,697.15 - Step 6: Final answer
x = 121,756.48
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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.