Finding the Fourth Proportional to 202,462.75, 279,398.62 and 117,585.28
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Solution
The fourth proportional to 202,462.75, 279,398.62 and 117,585.28 is: 162,267.70
Step by Step Solution
- Step 1: Write the proportion equation
202,462.75 : 279,398.62 = 117,585.28 : x - Step 2: Convert to fraction form
202,462.75/279,398.62 = 117,585.28/x - Step 3: Cross multiply
202,462.75x = 279,398.62 × 117,585.28 - Step 4: Simplify right side
202,462.75x = 32,853,164,964.31 - Step 5: Solve for x
x = 32,853,164,964.31/202,462.75 - Step 6: Final answer
x = 162,267.70
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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.