Finding the Fourth Proportional to 354,444.99, 488,857.62 and 227,132.43
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Solution
The fourth proportional to 354,444.99, 488,857.62 and 227,132.43 is: 313,265.59
Step by Step Solution
- Step 1: Write the proportion equation
354,444.99 : 488,857.62 = 227,132.43 : x - Step 2: Convert to fraction form
354,444.99/488,857.62 = 227,132.43/x - Step 3: Cross multiply
354,444.99x = 488,857.62 × 227,132.43 - Step 4: Simplify right side
354,444.99x = 111,035,419,154.62 - Step 5: Solve for x
x = 111,035,419,154.62/354,444.99 - Step 6: Final answer
x = 313,265.59
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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.