Finding the Fourth Proportional to 395,461.64, 545,747.18 and 242,584.19
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Solution
The fourth proportional to 395,461.64, 545,747.18 and 242,584.19 is: 334,772.39
Step by Step Solution
- Step 1: Write the proportion equation
395,461.64 : 545,747.18 = 242,584.19 : x - Step 2: Convert to fraction form
395,461.64/545,747.18 = 242,584.19/x - Step 3: Cross multiply
395,461.64x = 545,747.18 × 242,584.19 - Step 4: Simplify right side
395,461.64x = 132,389,639,575.91 - Step 5: Solve for x
x = 132,389,639,575.91/395,461.64 - Step 6: Final answer
x = 334,772.39
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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.