Finding the Fourth Proportional to 303,391.84, 455,135.28 and 93,007.84
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Solution
The fourth proportional to 303,391.84, 455,135.28 and 93,007.84 is: 139,526.33
Step by Step Solution
- Step 1: Write the proportion equation
303,391.84 : 455,135.28 = 93,007.84 : x - Step 2: Convert to fraction form
303,391.84/455,135.28 = 93,007.84/x - Step 3: Cross multiply
303,391.84x = 455,135.28 × 93,007.84 - Step 4: Simplify right side
303,391.84x = 42,331,149,300.60 - Step 5: Solve for x
x = 42,331,149,300.60/303,391.84 - Step 6: Final answer
x = 139,526.33
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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.