Finding the Fourth Proportional to 418,589.28, 577,615.68 and 232,325.64
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Solution
The fourth proportional to 418,589.28, 577,615.68 and 232,325.64 is: 320,588.56
Step by Step Solution
- Step 1: Write the proportion equation
418,589.28 : 577,615.68 = 232,325.64 : x - Step 2: Convert to fraction form
418,589.28/577,615.68 = 232,325.64/x - Step 3: Cross multiply
418,589.28x = 577,615.68 × 232,325.64 - Step 4: Simplify right side
418,589.28x = 134,194,932,530.04 - Step 5: Solve for x
x = 134,194,932,530.04/418,589.28 - Step 6: Final answer
x = 320,588.56
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1.5x scale
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.