Finding the Fourth Proportional to 419,110.26, 631,465.70 and 379,179.91
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Solution
The fourth proportional to 419,110.26, 631,465.70 and 379,179.91 is: 571,303.38
Step by Step Solution
- Step 1: Write the proportion equation
419,110.26 : 631,465.70 = 379,179.91 : x - Step 2: Convert to fraction form
419,110.26/631,465.70 = 379,179.91/x - Step 3: Cross multiply
419,110.26x = 631,465.70 × 379,179.91 - Step 4: Simplify right side
419,110.26x = 239,439,107,294.09 - Step 5: Solve for x
x = 239,439,107,294.09/419,110.26 - Step 6: Final answer
x = 571,303.38
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.