Finding the Fourth Proportional to 402,312.82, 603,469.14 and 102,793.96
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Solution
The fourth proportional to 402,312.82, 603,469.14 and 102,793.96 is: 154,190.92
Step by Step Solution
- Step 1: Write the proportion equation
402,312.82 : 603,469.14 = 102,793.96 : x - Step 2: Convert to fraction form
402,312.82/603,469.14 = 102,793.96/x - Step 3: Cross multiply
402,312.82x = 603,469.14 × 102,793.96 - Step 4: Simplify right side
402,312.82x = 62,032,982,638.39 - Step 5: Solve for x
x = 62,032,982,638.39/402,312.82 - Step 6: Final answer
x = 154,190.92
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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.