Finding the Fourth Proportional to 738,405.18, 1,107,607.65 and 177,439.68
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Solution
The fourth proportional to 738,405.18, 1,107,607.65 and 177,439.68 is: 266,159.49
Step by Step Solution
- Step 1: Write the proportion equation
738,405.18 : 1,107,607.65 = 177,439.68 : x - Step 2: Convert to fraction form
738,405.18/1,107,607.65 = 177,439.68/x - Step 3: Cross multiply
738,405.18x = 1,107,607.65 × 177,439.68 - Step 4: Simplify right side
738,405.18x = 196,533,546,981.55 - Step 5: Solve for x
x = 196,533,546,981.55/738,405.18 - Step 6: Final answer
x = 266,159.49
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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.