Finding the Fourth Proportional to 461,685.30, 637,390.71 and 351,927.96
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Solution
The fourth proportional to 461,685.30, 637,390.71 and 351,927.96 is: 485,862.58
Step by Step Solution
- Step 1: Write the proportion equation
461,685.30 : 637,390.71 = 351,927.96 : x - Step 2: Convert to fraction form
461,685.30/637,390.71 = 351,927.96/x - Step 3: Cross multiply
461,685.30x = 637,390.71 × 351,927.96 - Step 4: Simplify right side
461,685.30x = 224,315,612,293.25 - Step 5: Solve for x
x = 224,315,612,293.25/461,685.30 - Step 6: Final answer
x = 485,862.58
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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.