Finding the Fourth Proportional to 352,390.29, 486,299.33 and 209,179.05
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Solution
The fourth proportional to 352,390.29, 486,299.33 and 209,179.05 is: 288,667.52
Step by Step Solution
- Step 1: Write the proportion equation
352,390.29 : 486,299.33 = 209,179.05 : x - Step 2: Convert to fraction form
352,390.29/486,299.33 = 209,179.05/x - Step 3: Cross multiply
352,390.29x = 486,299.33 × 209,179.05 - Step 4: Simplify right side
352,390.29x = 101,723,631,865.04 - Step 5: Solve for x
x = 101,723,631,865.04/352,390.29 - Step 6: Final answer
x = 288,667.52
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1.5x scale
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.