Finding the Fourth Proportional to 442,839.63, 611,101.02 and 261,609.75
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Solution
The fourth proportional to 442,839.63, 611,101.02 and 261,609.75 is: 361,011.02
Step by Step Solution
- Step 1: Write the proportion equation
442,839.63 : 611,101.02 = 261,609.75 : x - Step 2: Convert to fraction form
442,839.63/611,101.02 = 261,609.75/x - Step 3: Cross multiply
442,839.63x = 611,101.02 × 261,609.75 - Step 4: Simplify right side
442,839.63x = 159,869,985,066.95 - Step 5: Solve for x
x = 159,869,985,066.95/442,839.63 - Step 6: Final answer
x = 361,011.02
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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.