Finding the Fourth Proportional to 418,260.21, 577,202.73 and 227,273.59
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Solution
The fourth proportional to 418,260.21, 577,202.73 and 227,273.59 is: 313,639.53
Step by Step Solution
- Step 1: Write the proportion equation
418,260.21 : 577,202.73 = 227,273.59 : x - Step 2: Convert to fraction form
418,260.21/577,202.73 = 227,273.59/x - Step 3: Cross multiply
418,260.21x = 577,202.73 × 227,273.59 - Step 4: Simplify right side
418,260.21x = 131,182,936,604.90 - Step 5: Solve for x
x = 131,182,936,604.90/418,260.21 - Step 6: Final answer
x = 313,639.53
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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.