Finding the Fourth Proportional to 166,235.20, 249,352.80 and 163,610.80
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Solution
The fourth proportional to 166,235.20, 249,352.80 and 163,610.80 is: 245,416.20
Step by Step Solution
- Step 1: Write the proportion equation
166,235.20 : 249,352.80 = 163,610.80 : x - Step 2: Convert to fraction form
166,235.20/249,352.80 = 163,610.80/x - Step 3: Cross multiply
166,235.20x = 249,352.80 × 163,610.80 - Step 4: Simplify right side
166,235.20x = 40,796,811,090.24 - Step 5: Solve for x
x = 40,796,811,090.24/166,235.20 - Step 6: Final answer
x = 245,416.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.