Finding the Fourth Proportional to 232,222.05, 320,496.08 and 136,737.63
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Solution
The fourth proportional to 232,222.05, 320,496.08 and 136,737.63 is: 188,715.39
Step by Step Solution
- Step 1: Write the proportion equation
232,222.05 : 320,496.08 = 136,737.63 : x - Step 2: Convert to fraction form
232,222.05/320,496.08 = 136,737.63/x - Step 3: Cross multiply
232,222.05x = 320,496.08 × 136,737.63 - Step 4: Simplify right side
232,222.05x = 43,823,873,719.80 - Step 5: Solve for x
x = 43,823,873,719.80/232,222.05 - Step 6: Final answer
x = 188,715.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.