Finding the Fourth Proportional to 419,888.36, 579,271.46 and 247,737.98
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Solution
The fourth proportional to 419,888.36, 579,271.46 and 247,737.98 is: 341,775.47
Step by Step Solution
- Step 1: Write the proportion equation
419,888.36 : 579,271.46 = 247,737.98 : x - Step 2: Convert to fraction form
419,888.36/579,271.46 = 247,737.98/x - Step 3: Cross multiply
419,888.36x = 579,271.46 × 247,737.98 - Step 4: Simplify right side
419,888.36x = 143,507,541,372.05 - Step 5: Solve for x
x = 143,507,541,372.05/419,888.36 - Step 6: Final answer
x = 341,775.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.