Finding the Fourth Proportional to 372,450.70, 556,143.17 and 351,402.18
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Solution
The fourth proportional to 372,450.70, 556,143.17 and 351,402.18 is: 524,713.53
Step by Step Solution
- Step 1: Write the proportion equation
372,450.70 : 556,143.17 = 351,402.18 : x - Step 2: Convert to fraction form
372,450.70/556,143.17 = 351,402.18/x - Step 3: Cross multiply
372,450.70x = 556,143.17 × 351,402.18 - Step 4: Simplify right side
372,450.70x = 195,429,922,330.11 - Step 5: Solve for x
x = 195,429,922,330.11/372,450.70 - Step 6: Final answer
x = 524,713.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.