Finding the Fourth Proportional to 381,147.18, 525,898.98 and 219,967.98
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Solution
The fourth proportional to 381,147.18, 525,898.98 and 219,967.98 is: 303,507.26
Step by Step Solution
- Step 1: Write the proportion equation
381,147.18 : 525,898.98 = 219,967.98 : x - Step 2: Convert to fraction form
381,147.18/525,898.98 = 219,967.98/x - Step 3: Cross multiply
381,147.18x = 525,898.98 × 219,967.98 - Step 4: Simplify right side
381,147.18x = 115,680,936,314.66 - Step 5: Solve for x
x = 115,680,936,314.66/381,147.18 - Step 6: Final answer
x = 303,507.26
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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.