Finding the Fourth Proportional to 431,734.02, 647,208.99 and 151,098.18
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Solution
The fourth proportional to 431,734.02, 647,208.99 and 151,098.18 is: 226,510.06
Step by Step Solution
- Step 1: Write the proportion equation
431,734.02 : 647,208.99 = 151,098.18 : x - Step 2: Convert to fraction form
431,734.02/647,208.99 = 151,098.18/x - Step 3: Cross multiply
431,734.02x = 647,208.99 × 151,098.18 - Step 4: Simplify right side
431,734.02x = 97,792,100,468.64 - Step 5: Solve for x
x = 97,792,100,468.64/431,734.02 - Step 6: Final answer
x = 226,510.06
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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.