Finding the Fourth Proportional to 181,725.38, 272,606.71 and 69,499.99
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Solution
The fourth proportional to 181,725.38, 272,606.71 and 69,499.99 is: 104,257.11
Step by Step Solution
- Step 1: Write the proportion equation
181,725.38 : 272,606.71 = 69,499.99 : x - Step 2: Convert to fraction form
181,725.38/272,606.71 = 69,499.99/x - Step 3: Cross multiply
181,725.38x = 272,606.71 × 69,499.99 - Step 4: Simplify right side
181,725.38x = 18,946,163,024.29 - Step 5: Solve for x
x = 18,946,163,024.29/181,725.38 - Step 6: Final answer
x = 104,257.11
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1.5x scale
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.