Finding the Fourth Proportional to 154,727.24, 213,401.94 and 103,722.44
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Solution
The fourth proportional to 154,727.24, 213,401.94 and 103,722.44 is: 143,055.42
Step by Step Solution
- Step 1: Write the proportion equation
154,727.24 : 213,401.94 = 103,722.44 : x - Step 2: Convert to fraction form
154,727.24/213,401.94 = 103,722.44/x - Step 3: Cross multiply
154,727.24x = 213,401.94 × 103,722.44 - Step 4: Simplify right side
154,727.24x = 22,134,569,917.53 - Step 5: Solve for x
x = 22,134,569,917.53/154,727.24 - Step 6: Final answer
x = 143,055.42
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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.