Finding the Fourth Proportional to 418,325.40, 577,293.53 and 227,338.79
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Solution
The fourth proportional to 418,325.40, 577,293.53 and 227,338.79 is: 313,729.95
Step by Step Solution
- Step 1: Write the proportion equation
418,325.40 : 577,293.53 = 227,338.79 : x - Step 2: Convert to fraction form
418,325.40/577,293.53 = 227,338.79/x - Step 3: Cross multiply
418,325.40x = 577,293.53 × 227,338.79 - Step 4: Simplify right side
418,325.40x = 131,241,208,561.87 - Step 5: Solve for x
x = 131,241,208,561.87/418,325.40 - Step 6: Final answer
x = 313,729.95
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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.