Finding the Fourth Proportional to 765,661.74, 1,148,405.13 and 204,739.98
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Solution
The fourth proportional to 765,661.74, 1,148,405.13 and 204,739.98 is: 307,086.58
Step by Step Solution
- Step 1: Write the proportion equation
765,661.74 : 1,148,405.13 = 204,739.98 : x - Step 2: Convert to fraction form
765,661.74/1,148,405.13 = 204,739.98/x - Step 3: Cross multiply
765,661.74x = 1,148,405.13 × 204,739.98 - Step 4: Simplify right side
765,661.74x = 235,124,443,348.10 - Step 5: Solve for x
x = 235,124,443,348.10/765,661.74 - Step 6: Final answer
x = 307,086.58
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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.