Finding the Fourth Proportional to 418,444.96, 577,455.36 and 227,458.96
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Solution
The fourth proportional to 418,444.96, 577,455.36 and 227,458.96 is: 313,894.08
Step by Step Solution
- Step 1: Write the proportion equation
418,444.96 : 577,455.36 = 227,458.96 : x - Step 2: Convert to fraction form
418,444.96/577,455.36 = 227,458.96/x - Step 3: Cross multiply
418,444.96x = 577,455.36 × 227,458.96 - Step 4: Simplify right side
418,444.96x = 131,347,395,632.03 - Step 5: Solve for x
x = 131,347,395,632.03/418,444.96 - Step 6: Final answer
x = 313,894.08
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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.