Finding the Fourth Proportional to 181,669.05, 250,773.03 and 136,478.12
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Solution
The fourth proportional to 181,669.05, 250,773.03 and 136,478.12 is: 188,392.19
Step by Step Solution
- Step 1: Write the proportion equation
181,669.05 : 250,773.03 = 136,478.12 : x - Step 2: Convert to fraction form
181,669.05/250,773.03 = 136,478.12/x - Step 3: Cross multiply
181,669.05x = 250,773.03 × 136,478.12 - Step 4: Simplify right side
181,669.05x = 34,225,030,427.24 - Step 5: Solve for x
x = 34,225,030,427.24/181,669.05 - Step 6: Final answer
x = 188,392.19
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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.