Finding the Fourth Proportional to 166,447.74, 249,734.45 and 99,934.23
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Solution
The fourth proportional to 166,447.74, 249,734.45 and 99,934.23 is: 149,939.07
Step by Step Solution
- Step 1: Write the proportion equation
166,447.74 : 249,734.45 = 99,934.23 : x - Step 2: Convert to fraction form
166,447.74/249,734.45 = 99,934.23/x - Step 3: Cross multiply
166,447.74x = 249,734.45 × 99,934.23 - Step 4: Simplify right side
166,447.74x = 24,957,019,965.22 - Step 5: Solve for x
x = 24,957,019,965.22/166,447.74 - Step 6: Final answer
x = 149,939.07
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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.