Finding the Fourth Proportional to 418,684.73, 577,789.35 and 227,698.07
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Solution
The fourth proportional to 418,684.73, 577,789.35 and 227,698.07 is: 314,225.74
Step by Step Solution
- Step 1: Write the proportion equation
418,684.73 : 577,789.35 = 227,698.07 : x - Step 2: Convert to fraction form
418,684.73/577,789.35 = 227,698.07/x - Step 3: Cross multiply
418,684.73x = 577,789.35 × 227,698.07 - Step 4: Simplify right side
418,684.73x = 131,561,519,861.56 - Step 5: Solve for x
x = 131,561,519,861.56/418,684.73 - Step 6: Final answer
x = 314,225.74
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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.