Finding the Fourth Proportional to 464,806.53, 641,193.91 and 310,024.31
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Solution
The fourth proportional to 464,806.53, 641,193.91 and 310,024.31 is: 427,674.06
Step by Step Solution
- Step 1: Write the proportion equation
464,806.53 : 641,193.91 = 310,024.31 : x - Step 2: Convert to fraction form
464,806.53/641,193.91 = 310,024.31/x - Step 3: Cross multiply
464,806.53x = 641,193.91 × 310,024.31 - Step 4: Simplify right side
464,806.53x = 198,785,695,542.92 - Step 5: Solve for x
x = 198,785,695,542.92/464,806.53 - Step 6: Final answer
x = 427,674.06
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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.