Finding the Fourth Proportional to 260,328.33, 390,408.76 and 82,793.75
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Solution
The fourth proportional to 260,328.33, 390,408.76 and 82,793.75 is: 124,163.99
Step by Step Solution
- Step 1: Write the proportion equation
260,328.33 : 390,408.76 = 82,793.75 : x - Step 2: Convert to fraction form
260,328.33/390,408.76 = 82,793.75/x - Step 3: Cross multiply
260,328.33x = 390,408.76 × 82,793.75 - Step 4: Simplify right side
260,328.33x = 32,323,403,424.70 - Step 5: Solve for x
x = 32,323,403,424.70/260,328.33 - Step 6: Final answer
x = 124,163.99
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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.