Finding the Fourth Proportional to 186,444.32, 257,291.84 and 101,561.38
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Solution
The fourth proportional to 186,444.32, 257,291.84 and 101,561.38 is: 140,153.99
Step by Step Solution
- Step 1: Write the proportion equation
186,444.32 : 257,291.84 = 101,561.38 : x - Step 2: Convert to fraction form
186,444.32/257,291.84 = 101,561.38/x - Step 3: Cross multiply
186,444.32x = 257,291.84 × 101,561.38 - Step 4: Simplify right side
186,444.32x = 26,130,913,943.81 - Step 5: Solve for x
x = 26,130,913,943.81/186,444.32 - Step 6: Final answer
x = 140,153.99
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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.