Finding the Fourth Proportional to 166,652.64, 249,973.22 and 66,785.99
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Solution
The fourth proportional to 166,652.64, 249,973.22 and 66,785.99 is: 100,176.68
Step by Step Solution
- Step 1: Write the proportion equation
166,652.64 : 249,973.22 = 66,785.99 : x - Step 2: Convert to fraction form
166,652.64/249,973.22 = 66,785.99/x - Step 3: Cross multiply
166,652.64x = 249,973.22 × 66,785.99 - Step 4: Simplify right side
166,652.64x = 16,694,707,888.29 - Step 5: Solve for x
x = 16,694,707,888.29/166,652.64 - Step 6: Final answer
x = 100,176.68
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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.