Finding the Fourth Proportional to 415,723.86, 573,699.36 and 224,737.26
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Solution
The fourth proportional to 415,723.86, 573,699.36 and 224,737.26 is: 310,137.65
Step by Step Solution
- Step 1: Write the proportion equation
415,723.86 : 573,699.36 = 224,737.26 : x - Step 2: Convert to fraction form
415,723.86/573,699.36 = 224,737.26/x - Step 3: Cross multiply
415,723.86x = 573,699.36 × 224,737.26 - Step 4: Simplify right side
415,723.86x = 128,931,622,230.15 - Step 5: Solve for x
x = 128,931,622,230.15/415,723.86 - Step 6: Final answer
x = 310,137.65
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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.