Finding the Fourth Proportional to 146,686.34, 202,427.81 and 83,036.44
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Solution
The fourth proportional to 146,686.34, 202,427.81 and 83,036.44 is: 114,590.66
Step by Step Solution
- Step 1: Write the proportion equation
146,686.34 : 202,427.81 = 83,036.44 : x - Step 2: Convert to fraction form
146,686.34/202,427.81 = 83,036.44/x - Step 3: Cross multiply
146,686.34x = 202,427.81 × 83,036.44 - Step 4: Simplify right side
146,686.34x = 16,808,884,848.64 - Step 5: Solve for x
x = 16,808,884,848.64/146,686.34 - Step 6: Final answer
x = 114,590.66
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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.