Finding the Fourth Proportional to 388,527.68, 536,025.98 and 235,455.44
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Solution
The fourth proportional to 388,527.68, 536,025.98 and 235,455.44 is: 324,842.31
Step by Step Solution
- Step 1: Write the proportion equation
388,527.68 : 536,025.98 = 235,455.44 : x - Step 2: Convert to fraction form
388,527.68/536,025.98 = 235,455.44/x - Step 3: Cross multiply
388,527.68x = 536,025.98 × 235,455.44 - Step 4: Simplify right side
388,527.68x = 126,210,229,114.92 - Step 5: Solve for x
x = 126,210,229,114.92/388,527.68 - Step 6: Final answer
x = 324,842.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.