Finding the Fourth Proportional to 738,400.68, 1,107,600.91 and 177,435.18
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Solution
The fourth proportional to 738,400.68, 1,107,600.91 and 177,435.18 is: 266,152.75
Step by Step Solution
- Step 1: Write the proportion equation
738,400.68 : 1,107,600.91 = 177,435.18 : x - Step 2: Convert to fraction form
738,400.68/1,107,600.91 = 177,435.18/x - Step 3: Cross multiply
738,400.68x = 1,107,600.91 × 177,435.18 - Step 4: Simplify right side
738,400.68x = 196,527,370,004.59 - Step 5: Solve for x
x = 196,527,370,004.59/738,400.68 - Step 6: Final answer
x = 266,152.75
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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.