Finding the Fourth Proportional to 166,483.12, 229,747.08 and 91,031.80
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Solution
The fourth proportional to 166,483.12, 229,747.08 and 91,031.80 is: 125,624.09
Step by Step Solution
- Step 1: Write the proportion equation
166,483.12 : 229,747.08 = 91,031.80 : x - Step 2: Convert to fraction form
166,483.12/229,747.08 = 91,031.80/x - Step 3: Cross multiply
166,483.12x = 229,747.08 × 91,031.80 - Step 4: Simplify right side
166,483.12x = 20,914,290,237.14 - Step 5: Solve for x
x = 20,914,290,237.14/166,483.12 - Step 6: Final answer
x = 125,624.09
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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.