Finding the Fourth Proportional to 351,301.36, 485,075.34 and 324,434.04
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Solution
The fourth proportional to 351,301.36, 485,075.34 and 324,434.04 is: 447,977.07
Step by Step Solution
- Step 1: Write the proportion equation
351,301.36 : 485,075.34 = 324,434.04 : x - Step 2: Convert to fraction form
351,301.36/485,075.34 = 324,434.04/x - Step 3: Cross multiply
351,301.36x = 485,075.34 × 324,434.04 - Step 4: Simplify right side
351,301.36x = 157,374,952,260.57 - Step 5: Solve for x
x = 157,374,952,260.57/351,301.36 - Step 6: Final answer
x = 447,977.07
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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.