Finding the Fourth Proportional to 352,309.95, 486,313.82 and 209,069.99
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Solution
The fourth proportional to 352,309.95, 486,313.82 and 209,069.99 is: 288,591.41
Step by Step Solution
- Step 1: Write the proportion equation
352,309.95 : 486,313.82 = 209,069.99 : x - Step 2: Convert to fraction form
352,309.95/486,313.82 = 209,069.99/x - Step 3: Cross multiply
352,309.95x = 486,313.82 × 209,069.99 - Step 4: Simplify right side
352,309.95x = 101,673,626,438.71 - Step 5: Solve for x
x = 101,673,626,438.71/352,309.95 - Step 6: Final answer
x = 288,591.41
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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.