Finding the Fourth Proportional to 104,920.44, 157,358.58 and 38,391.96
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Solution
The fourth proportional to 104,920.44, 157,358.58 and 38,391.96 is: 57,579.86
Step by Step Solution
- Step 1: Write the proportion equation
104,920.44 : 157,358.58 = 38,391.96 : x - Step 2: Convert to fraction form
104,920.44/157,358.58 = 38,391.96/x - Step 3: Cross multiply
104,920.44x = 157,358.58 × 38,391.96 - Step 4: Simplify right side
104,920.44x = 6,041,304,309.02 - Step 5: Solve for x
x = 6,041,304,309.02/104,920.44 - Step 6: Final answer
x = 57,579.86
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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.