Finding the Fourth Proportional to 266,624.28, 399,936.81 and 106,772.19
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Solution
The fourth proportional to 266,624.28, 399,936.81 and 106,772.19 is: 160,158.44
Step by Step Solution
- Step 1: Write the proportion equation
266,624.28 : 399,936.81 = 106,772.19 : x - Step 2: Convert to fraction form
266,624.28/399,936.81 = 106,772.19/x - Step 3: Cross multiply
266,624.28x = 399,936.81 × 106,772.19 - Step 4: Simplify right side
266,624.28x = 42,702,129,065.31 - Step 5: Solve for x
x = 42,702,129,065.31/266,624.28 - Step 6: Final answer
x = 160,158.44
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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.