Finding the Fourth Proportional to 514,138.68, 771,199.77 and 140,161.68
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Solution
The fourth proportional to 514,138.68, 771,199.77 and 140,161.68 is: 210,240.27
Step by Step Solution
- Step 1: Write the proportion equation
514,138.68 : 771,199.77 = 140,161.68 : x - Step 2: Convert to fraction form
514,138.68/771,199.77 = 140,161.68/x - Step 3: Cross multiply
514,138.68x = 771,199.77 × 140,161.68 - Step 4: Simplify right side
514,138.68x = 108,092,655,378.81 - Step 5: Solve for x
x = 108,092,655,378.81/514,138.68 - Step 6: Final answer
x = 210,240.27
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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.