Finding the Fourth Proportional to 189,224.19, 261,123.80 and 104,341.23
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Solution
The fourth proportional to 189,224.19, 261,123.80 and 104,341.23 is: 143,987.82
Step by Step Solution
- Step 1: Write the proportion equation
189,224.19 : 261,123.80 = 104,341.23 : x - Step 2: Convert to fraction form
189,224.19/261,123.80 = 104,341.23/x - Step 3: Cross multiply
189,224.19x = 261,123.80 × 104,341.23 - Step 4: Simplify right side
189,224.19x = 27,245,977,952.57 - Step 5: Solve for x
x = 27,245,977,952.57/189,224.19 - Step 6: Final answer
x = 143,987.82
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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.