Finding the Fourth Proportional to 389,269.25, 537,207.19 and 217,202.24
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Solution
The fourth proportional to 389,269.25, 537,207.19 and 217,202.24 is: 299,747.81
Step by Step Solution
- Step 1: Write the proportion equation
389,269.25 : 537,207.19 = 217,202.24 : x - Step 2: Convert to fraction form
389,269.25/537,207.19 = 217,202.24/x - Step 3: Cross multiply
389,269.25x = 537,207.19 × 217,202.24 - Step 4: Simplify right side
389,269.25x = 116,682,605,812.12 - Step 5: Solve for x
x = 116,682,605,812.12/389,269.25 - Step 6: Final answer
x = 299,747.81
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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.