Finding the Fourth Proportional to 402,022.10, 603,493.95 and 235,903.70
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Solution
The fourth proportional to 402,022.10, 603,493.95 and 235,903.70 is: 354,125.94
Step by Step Solution
- Step 1: Write the proportion equation
402,022.10 : 603,493.95 = 235,903.70 : x - Step 2: Convert to fraction form
402,022.10/603,493.95 = 235,903.70/x - Step 3: Cross multiply
402,022.10x = 603,493.95 × 235,903.70 - Step 4: Simplify right side
402,022.10x = 142,366,455,732.62 - Step 5: Solve for x
x = 142,366,455,732.62/402,022.10 - Step 6: Final answer
x = 354,125.94
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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.