Finding the Fourth Proportional to 418,530.07, 577,694.42 and 273,358.05
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Solution
The fourth proportional to 418,530.07, 577,694.42 and 273,358.05 is: 377,314.39
Step by Step Solution
- Step 1: Write the proportion equation
418,530.07 : 577,694.42 = 273,358.05 : x - Step 2: Convert to fraction form
418,530.07/577,694.42 = 273,358.05/x - Step 3: Cross multiply
418,530.07x = 577,694.42 × 273,358.05 - Step 4: Simplify right side
418,530.07x = 157,917,418,551.36 - Step 5: Solve for x
x = 157,917,418,551.36/418,530.07 - Step 6: Final answer
x = 377,314.39
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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.