Finding the Fourth Proportional to 537,175.21, 741,364.81 and 307,806.75
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Solution
The fourth proportional to 537,175.21, 741,364.81 and 307,806.75 is: 424,809.43
Step by Step Solution
- Step 1: Write the proportion equation
537,175.21 : 741,364.81 = 307,806.75 : x - Step 2: Convert to fraction form
537,175.21/741,364.81 = 307,806.75/x - Step 3: Cross multiply
537,175.21x = 741,364.81 × 307,806.75 - Step 4: Simplify right side
537,175.21x = 228,197,093,741.19 - Step 5: Solve for x
x = 228,197,093,741.19/537,175.21 - Step 6: Final answer
x = 424,809.43
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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.