Finding the Fourth Proportional to 286,446.98, 395,308.05 and 195,992.66
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Solution
The fourth proportional to 286,446.98, 395,308.05 and 195,992.66 is: 270,477.55
Step by Step Solution
- Step 1: Write the proportion equation
286,446.98 : 395,308.05 = 195,992.66 : x - Step 2: Convert to fraction form
286,446.98/395,308.05 = 195,992.66/x - Step 3: Cross multiply
286,446.98x = 395,308.05 × 195,992.66 - Step 4: Simplify right side
286,446.98x = 77,477,476,238.91 - Step 5: Solve for x
x = 77,477,476,238.91/286,446.98 - Step 6: Final answer
x = 270,477.55
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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.