Finding the Fourth Proportional to 738,237.80, 1,107,356.70 and 177,272.30
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Solution
The fourth proportional to 738,237.80, 1,107,356.70 and 177,272.30 is: 265,908.45
Step by Step Solution
- Step 1: Write the proportion equation
738,237.80 : 1,107,356.70 = 177,272.30 : x - Step 2: Convert to fraction form
738,237.80/1,107,356.70 = 177,272.30/x - Step 3: Cross multiply
738,237.80x = 1,107,356.70 × 177,272.30 - Step 4: Simplify right side
738,237.80x = 196,303,669,129.41 - Step 5: Solve for x
x = 196,303,669,129.41/738,237.80 - Step 6: Final answer
x = 265,908.45
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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.