Finding the Fourth Proportional to 418,232.95, 626,507.42 and 193,283.59
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Solution
The fourth proportional to 418,232.95, 626,507.42 and 193,283.59 is: 289,536.26
Step by Step Solution
- Step 1: Write the proportion equation
418,232.95 : 626,507.42 = 193,283.59 : x - Step 2: Convert to fraction form
418,232.95/626,507.42 = 193,283.59/x - Step 3: Cross multiply
418,232.95x = 626,507.42 × 193,283.59 - Step 4: Simplify right side
418,232.95x = 121,093,603,299.24 - Step 5: Solve for x
x = 121,093,603,299.24/418,232.95 - Step 6: Final answer
x = 289,536.26
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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.