Finding the Fourth Proportional to 417,679.54, 576,392.97 and 226,693.06
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Solution
The fourth proportional to 417,679.54, 576,392.97 and 226,693.06 is: 312,833.82
Step by Step Solution
- Step 1: Write the proportion equation
417,679.54 : 576,392.97 = 226,693.06 : x - Step 2: Convert to fraction form
417,679.54/576,392.97 = 226,693.06/x - Step 3: Cross multiply
417,679.54x = 576,392.97 × 226,693.06 - Step 4: Simplify right side
417,679.54x = 130,664,286,131.79 - Step 5: Solve for x
x = 130,664,286,131.79/417,679.54 - Step 6: Final answer
x = 312,833.82
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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.