Finding the Fourth Proportional to 338,241.87, 466,596.81 and 209,139.07
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Solution
The fourth proportional to 338,241.87, 466,596.81 and 209,139.07 is: 288,502.50
Step by Step Solution
- Step 1: Write the proportion equation
338,241.87 : 466,596.81 = 209,139.07 : x - Step 2: Convert to fraction form
338,241.87/466,596.81 = 209,139.07/x - Step 3: Cross multiply
338,241.87x = 466,596.81 × 209,139.07 - Step 4: Simplify right side
338,241.87x = 97,583,623,491.61 - Step 5: Solve for x
x = 97,583,623,491.61/338,241.87 - Step 6: Final answer
x = 288,502.50
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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.