Finding the Fourth Proportional to 163,283.68, 225,330.58 and 91,663.68
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Solution
The fourth proportional to 163,283.68, 225,330.58 and 91,663.68 is: 126,495.37
Step by Step Solution
- Step 1: Write the proportion equation
163,283.68 : 225,330.58 = 91,663.68 : x - Step 2: Convert to fraction form
163,283.68/225,330.58 = 91,663.68/x - Step 3: Cross multiply
163,283.68x = 225,330.58 × 91,663.68 - Step 4: Simplify right side
163,283.68x = 20,654,630,179.33 - Step 5: Solve for x
x = 20,654,630,179.33/163,283.68 - Step 6: Final answer
x = 126,495.37
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1.5x scale
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.