Finding the Fourth Proportional to 402,204.13, 603,305.42 and 102,684.60
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Solution
The fourth proportional to 402,204.13, 603,305.42 and 102,684.60 is: 154,026.70
Step by Step Solution
- Step 1: Write the proportion equation
402,204.13 : 603,305.42 = 102,684.60 : x - Step 2: Convert to fraction form
402,204.13/603,305.42 = 102,684.60/x - Step 3: Cross multiply
402,204.13x = 603,305.42 × 102,684.60 - Step 4: Simplify right side
402,204.13x = 61,950,175,217.11 - Step 5: Solve for x
x = 61,950,175,217.11/402,204.13 - Step 6: Final answer
x = 154,026.70
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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.