Finding the Fourth Proportional to 425,175.75, 586,699.94 and 261,806.06
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Solution
The fourth proportional to 425,175.75, 586,699.94 and 261,806.06 is: 361,266.14
Step by Step Solution
- Step 1: Write the proportion equation
425,175.75 : 586,699.94 = 261,806.06 : x - Step 2: Convert to fraction form
425,175.75/586,699.94 = 261,806.06/x - Step 3: Cross multiply
425,175.75x = 586,699.94 × 261,806.06 - Step 4: Simplify right side
425,175.75x = 153,601,601,814.90 - Step 5: Solve for x
x = 153,601,601,814.90/425,175.75 - Step 6: Final answer
x = 361,266.14
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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.