Finding the Fourth Proportional to 477,537.36, 716,394.63 and 157,711.38
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Solution
The fourth proportional to 477,537.36, 716,394.63 and 157,711.38 is: 236,596.33
Step by Step Solution
- Step 1: Write the proportion equation
477,537.36 : 716,394.63 = 157,711.38 : x - Step 2: Convert to fraction form
477,537.36/716,394.63 = 157,711.38/x - Step 3: Cross multiply
477,537.36x = 716,394.63 × 157,711.38 - Step 4: Simplify right side
477,537.36x = 112,983,585,721.89 - Step 5: Solve for x
x = 112,983,585,721.89/477,537.36 - Step 6: Final answer
x = 236,596.33
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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.