Finding the Fourth Proportional to 345,218.06, 476,400.99 and 202,005.61
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Solution
The fourth proportional to 345,218.06, 476,400.99 and 202,005.61 is: 278,767.78
Step by Step Solution
- Step 1: Write the proportion equation
345,218.06 : 476,400.99 = 202,005.61 : x - Step 2: Convert to fraction form
345,218.06/476,400.99 = 202,005.61/x - Step 3: Cross multiply
345,218.06x = 476,400.99 × 202,005.61 - Step 4: Simplify right side
345,218.06x = 96,235,672,156.07 - Step 5: Solve for x
x = 96,235,672,156.07/345,218.06 - Step 6: Final answer
x = 278,767.78
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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.