Finding the Fourth Proportional to 151,278.99, 208,763.26 and 83,294.56
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Solution
The fourth proportional to 151,278.99, 208,763.26 and 83,294.56 is: 114,945.53
Step by Step Solution
- Step 1: Write the proportion equation
151,278.99 : 208,763.26 = 83,294.56 : x - Step 2: Convert to fraction form
151,278.99/208,763.26 = 83,294.56/x - Step 3: Cross multiply
151,278.99x = 208,763.26 × 83,294.56 - Step 4: Simplify right side
151,278.99x = 17,388,843,885.87 - Step 5: Solve for x
x = 17,388,843,885.87/151,278.99 - Step 6: Final answer
x = 114,945.53
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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.