Finding the Fourth Proportional to 445,947.96, 669,024.08 and 193,270.84
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Solution
The fourth proportional to 445,947.96, 669,024.08 and 193,270.84 is: 289,950.53
Step by Step Solution
- Step 1: Write the proportion equation
445,947.96 : 669,024.08 = 193,270.84 : x - Step 2: Convert to fraction form
445,947.96/669,024.08 = 193,270.84/x - Step 3: Cross multiply
445,947.96x = 669,024.08 × 193,270.84 - Step 4: Simplify right side
445,947.96x = 129,302,845,921.83 - Step 5: Solve for x
x = 129,302,845,921.83/445,947.96 - Step 6: Final answer
x = 289,950.53
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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.