Finding the Fourth Proportional to 306,681.94, 459,592.19 and 261,469.47
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Solution
The fourth proportional to 306,681.94, 459,592.19 and 261,469.47 is: 391,836.99
Step by Step Solution
- Step 1: Write the proportion equation
306,681.94 : 459,592.19 = 261,469.47 : x - Step 2: Convert to fraction form
306,681.94/459,592.19 = 261,469.47/x - Step 3: Cross multiply
306,681.94x = 459,592.19 × 261,469.47 - Step 4: Simplify right side
306,681.94x = 120,169,325,028.09 - Step 5: Solve for x
x = 120,169,325,028.09/306,681.94 - Step 6: Final answer
x = 391,836.99
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1.5x scale
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.