Finding the Fourth Proportional to 418,554.15, 577,588.94 and 227,560.95
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Solution
The fourth proportional to 418,554.15, 577,588.94 and 227,560.95 is: 314,025.53
Step by Step Solution
- Step 1: Write the proportion equation
418,554.15 : 577,588.94 = 227,560.95 : x - Step 2: Convert to fraction form
418,554.15/577,588.94 = 227,560.95/x - Step 3: Cross multiply
418,554.15x = 577,588.94 × 227,560.95 - Step 4: Simplify right side
418,554.15x = 131,436,686,758.09 - Step 5: Solve for x
x = 131,436,686,758.09/418,554.15 - Step 6: Final answer
x = 314,025.53
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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.