Finding the Fourth Proportional to 351,596.09, 527,408.72 and 102,278.09
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Solution
The fourth proportional to 351,596.09, 527,408.72 and 102,278.09 is: 153,421.38
Step by Step Solution
- Step 1: Write the proportion equation
351,596.09 : 527,408.72 = 102,278.09 : x - Step 2: Convert to fraction form
351,596.09/527,408.72 = 102,278.09/x - Step 3: Cross multiply
351,596.09x = 527,408.72 × 102,278.09 - Step 4: Simplify right side
351,596.09x = 53,942,357,721.62 - Step 5: Solve for x
x = 53,942,357,721.62/351,596.09 - Step 6: Final answer
x = 153,421.38
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1.5x scale
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.