Finding the Fourth Proportional to 352,190.29, 528,265.99 and 257,517.49
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Solution
The fourth proportional to 352,190.29, 528,265.99 and 257,517.49 is: 386,262.02
Step by Step Solution
- Step 1: Write the proportion equation
352,190.29 : 528,265.99 = 257,517.49 : x - Step 2: Convert to fraction form
352,190.29/528,265.99 = 257,517.49/x - Step 3: Cross multiply
352,190.29x = 528,265.99 × 257,517.49 - Step 4: Simplify right side
352,190.29x = 136,037,731,797.17 - Step 5: Solve for x
x = 136,037,731,797.17/352,190.29 - Step 6: Final answer
x = 386,262.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.