Finding the Fourth Proportional to 418,364.63, 577,343.26 and 227,378.02
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Solution
The fourth proportional to 418,364.63, 577,343.26 and 227,378.02 is: 313,781.71
Step by Step Solution
- Step 1: Write the proportion equation
418,364.63 : 577,343.26 = 227,378.02 : x - Step 2: Convert to fraction form
418,364.63/577,343.26 = 227,378.02/x - Step 3: Cross multiply
418,364.63x = 577,343.26 × 227,378.02 - Step 4: Simplify right side
418,364.63x = 131,275,167,319.15 - Step 5: Solve for x
x = 131,275,167,319.15/418,364.63 - Step 6: Final answer
x = 313,781.71
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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.