Finding the Fourth Proportional to 344,272.20, 516,408.30 and 249,793.80
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Solution
The fourth proportional to 344,272.20, 516,408.30 and 249,793.80 is: 374,690.70
Step by Step Solution
- Step 1: Write the proportion equation
344,272.20 : 516,408.30 = 249,793.80 : x - Step 2: Convert to fraction form
344,272.20/516,408.30 = 249,793.80/x - Step 3: Cross multiply
344,272.20x = 516,408.30 × 249,793.80 - Step 4: Simplify right side
344,272.20x = 128,995,591,608.54 - Step 5: Solve for x
x = 128,995,591,608.54/344,272.20 - Step 6: Final answer
x = 374,690.70
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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.