Finding the Fourth Proportional to 303,454.30, 455,363.70 and 125,942.80
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Solution
The fourth proportional to 303,454.30, 455,363.70 and 125,942.80 is: 188,989.84
Step by Step Solution
- Step 1: Write the proportion equation
303,454.30 : 455,363.70 = 125,942.80 : x - Step 2: Convert to fraction form
303,454.30/455,363.70 = 125,942.80/x - Step 3: Cross multiply
303,454.30x = 455,363.70 × 125,942.80 - Step 4: Simplify right side
303,454.30x = 57,349,779,396.36 - Step 5: Solve for x
x = 57,349,779,396.36/303,454.30 - Step 6: Final answer
x = 188,989.84
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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.