Finding the Fourth Proportional to 461,759.08, 637,221.33 and 257,813.13
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Solution
The fourth proportional to 461,759.08, 637,221.33 and 257,813.13 is: 355,778.65
Step by Step Solution
- Step 1: Write the proportion equation
461,759.08 : 637,221.33 = 257,813.13 : x - Step 2: Convert to fraction form
461,759.08/637,221.33 = 257,813.13/x - Step 3: Cross multiply
461,759.08x = 637,221.33 × 257,813.13 - Step 4: Simplify right side
461,759.08x = 164,284,023,997.01 - Step 5: Solve for x
x = 164,284,023,997.01/461,759.08 - Step 6: Final answer
x = 355,778.65
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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.