Finding the Fourth Proportional to 166,041.08, 249,060.62 and 77,245.64
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Solution
The fourth proportional to 166,041.08, 249,060.62 and 77,245.64 is: 115,867.99
Step by Step Solution
- Step 1: Write the proportion equation
166,041.08 : 249,060.62 = 77,245.64 : x - Step 2: Convert to fraction form
166,041.08/249,060.62 = 77,245.64/x - Step 3: Cross multiply
166,041.08x = 249,060.62 × 77,245.64 - Step 4: Simplify right side
166,041.08x = 19,238,846,990.70 - Step 5: Solve for x
x = 19,238,846,990.70/166,041.08 - Step 6: Final answer
x = 115,867.99
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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.