Finding the Fourth Proportional to 817,668.49, 1,226,406.15 and 218,676.08
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Solution
The fourth proportional to 817,668.49, 1,226,406.15 and 218,676.08 is: 327,988.28
Step by Step Solution
- Step 1: Write the proportion equation
817,668.49 : 1,226,406.15 = 218,676.08 : x - Step 2: Convert to fraction form
817,668.49/1,226,406.15 = 218,676.08/x - Step 3: Cross multiply
817,668.49x = 1,226,406.15 × 218,676.08 - Step 4: Simplify right side
817,668.49x = 268,185,682,144.48 - Step 5: Solve for x
x = 268,185,682,144.48/817,668.49 - Step 6: Final answer
x = 327,988.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.