Finding the Fourth Proportional to 269,557.12, 371,752.50 and 215,822.53
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Solution
The fourth proportional to 269,557.12, 371,752.50 and 215,822.53 is: 297,645.88
Step by Step Solution
- Step 1: Write the proportion equation
269,557.12 : 371,752.50 = 215,822.53 : x - Step 2: Convert to fraction form
269,557.12/371,752.50 = 215,822.53/x - Step 3: Cross multiply
269,557.12x = 371,752.50 × 215,822.53 - Step 4: Simplify right side
269,557.12x = 80,232,565,083.83 - Step 5: Solve for x
x = 80,232,565,083.83/269,557.12 - Step 6: Final answer
x = 297,645.88
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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.