Finding the Fourth Proportional to 407,286.47, 610,135.02 and 266,618.63
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Solution
The fourth proportional to 407,286.47, 610,135.02 and 266,618.63 is: 399,407.72
Step by Step Solution
- Step 1: Write the proportion equation
407,286.47 : 610,135.02 = 266,618.63 : x - Step 2: Convert to fraction form
407,286.47/610,135.02 = 266,618.63/x - Step 3: Cross multiply
407,286.47x = 610,135.02 × 266,618.63 - Step 4: Simplify right side
407,286.47x = 162,673,360,096.75 - Step 5: Solve for x
x = 162,673,360,096.75/407,286.47 - Step 6: Final answer
x = 399,407.72
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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.