Finding the Fourth Proportional to 166,163.16, 249,207.48 and 47,808.12
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Solution
The fourth proportional to 166,163.16, 249,207.48 and 47,808.12 is: 71,701.46
Step by Step Solution
- Step 1: Write the proportion equation
166,163.16 : 249,207.48 = 47,808.12 : x - Step 2: Convert to fraction form
166,163.16/249,207.48 = 47,808.12/x - Step 3: Cross multiply
166,163.16x = 249,207.48 × 47,808.12 - Step 4: Simplify right side
166,163.16x = 11,914,141,108.74 - Step 5: Solve for x
x = 11,914,141,108.74/166,163.16 - Step 6: Final answer
x = 71,701.46
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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.