Finding the Fourth Proportional to 202,209.70, 303,564.15 and 127,329.70
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Solution
The fourth proportional to 202,209.70, 303,564.15 and 127,329.70 is: 191,151.72
Step by Step Solution
- Step 1: Write the proportion equation
202,209.70 : 303,564.15 = 127,329.70 : x - Step 2: Convert to fraction form
202,209.70/303,564.15 = 127,329.70/x - Step 3: Cross multiply
202,209.70x = 303,564.15 × 127,329.70 - Step 4: Simplify right side
202,209.70x = 38,652,732,150.26 - Step 5: Solve for x
x = 38,652,732,150.26/202,209.70 - Step 6: Final answer
x = 191,151.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.