Finding the Fourth Proportional to 252,557.99, 378,940.86 and 185,432.79
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Solution
The fourth proportional to 252,557.99, 378,940.86 and 185,432.79 is: 278,225.46
Step by Step Solution
- Step 1: Write the proportion equation
252,557.99 : 378,940.86 = 185,432.79 : x - Step 2: Convert to fraction form
252,557.99/378,940.86 = 185,432.79/x - Step 3: Cross multiply
252,557.99x = 378,940.86 × 185,432.79 - Step 4: Simplify right side
252,557.99x = 70,268,060,914.80 - Step 5: Solve for x
x = 70,268,060,914.80/252,557.99 - Step 6: Final answer
x = 278,225.46
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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.