Finding the Fourth Proportional to 186,320.23, 257,120.29 and 101,437.09
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Solution
The fourth proportional to 186,320.23, 257,120.29 and 101,437.09 is: 139,982.30
Step by Step Solution
- Step 1: Write the proportion equation
186,320.23 : 257,120.29 = 101,437.09 : x - Step 2: Convert to fraction form
186,320.23/257,120.29 = 101,437.09/x - Step 3: Cross multiply
186,320.23x = 257,120.29 × 101,437.09 - Step 4: Simplify right side
186,320.23x = 26,081,533,997.56 - Step 5: Solve for x
x = 26,081,533,997.56/186,320.23 - Step 6: Final answer
x = 139,982.30
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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.