Finding the Fourth Proportional to 402,538.70, 603,880.95 and 202,355.30
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Solution
The fourth proportional to 402,538.70, 603,880.95 and 202,355.30 is: 303,569.60
Step by Step Solution
- Step 1: Write the proportion equation
402,538.70 : 603,880.95 = 202,355.30 : x - Step 2: Convert to fraction form
402,538.70/603,880.95 = 202,355.30/x - Step 3: Cross multiply
402,538.70x = 603,880.95 × 202,355.30 - Step 4: Simplify right side
402,538.70x = 122,198,510,801.54 - Step 5: Solve for x
x = 122,198,510,801.54/402,538.70 - Step 6: Final answer
x = 303,569.60
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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.