Finding the Fourth Proportional to 417,097.21, 575,037.49 and 331,340.84
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Solution
The fourth proportional to 417,097.21, 575,037.49 and 331,340.84 is: 456,808.15
Step by Step Solution
- Step 1: Write the proportion equation
417,097.21 : 575,037.49 = 331,340.84 : x - Step 2: Convert to fraction form
417,097.21/575,037.49 = 331,340.84/x - Step 3: Cross multiply
417,097.21x = 575,037.49 × 331,340.84 - Step 4: Simplify right side
417,097.21x = 190,533,404,968.09 - Step 5: Solve for x
x = 190,533,404,968.09/417,097.21 - Step 6: Final answer
x = 456,808.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.