Finding the Fourth Proportional to 381,076.74, 525,848.01 and 219,983.70
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Solution
The fourth proportional to 381,076.74, 525,848.01 and 219,983.70 is: 303,555.63
Step by Step Solution
- Step 1: Write the proportion equation
381,076.74 : 525,848.01 = 219,983.70 : x - Step 2: Convert to fraction form
381,076.74/525,848.01 = 219,983.70/x - Step 3: Cross multiply
381,076.74x = 525,848.01 × 219,983.70 - Step 4: Simplify right side
381,076.74x = 115,677,990,877.44 - Step 5: Solve for x
x = 115,677,990,877.44/381,076.74 - Step 6: Final answer
x = 303,555.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.