Finding the Fourth Proportional to 419,134.44, 578,405.58 and 228,149.13
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Solution
The fourth proportional to 419,134.44, 578,405.58 and 228,149.13 is: 314,845.83
Step by Step Solution
- Step 1: Write the proportion equation
419,134.44 : 578,405.58 = 228,149.13 : x - Step 2: Convert to fraction form
419,134.44/578,405.58 = 228,149.13/x - Step 3: Cross multiply
419,134.44x = 578,405.58 × 228,149.13 - Step 4: Simplify right side
419,134.44x = 131,962,729,864.15 - Step 5: Solve for x
x = 131,962,729,864.15/419,134.44 - Step 6: Final answer
x = 314,845.83
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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.