Finding the Fourth Proportional to 486,214.95, 670,939.74 and 282,232.97
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Solution
The fourth proportional to 486,214.95, 670,939.74 and 282,232.97 is: 389,460.08
Step by Step Solution
- Step 1: Write the proportion equation
486,214.95 : 670,939.74 = 282,232.97 : x - Step 2: Convert to fraction form
486,214.95/670,939.74 = 282,232.97/x - Step 3: Cross multiply
486,214.95x = 670,939.74 × 282,232.97 - Step 4: Simplify right side
486,214.95x = 189,361,312,156.53 - Step 5: Solve for x
x = 189,361,312,156.53/486,214.95 - Step 6: Final answer
x = 389,460.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.