Finding the Fourth Proportional to 191,615.98, 264,438.21 and 106,733.08
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Solution
The fourth proportional to 191,615.98, 264,438.21 and 106,733.08 is: 147,296.19
Step by Step Solution
- Step 1: Write the proportion equation
191,615.98 : 264,438.21 = 106,733.08 : x - Step 2: Convert to fraction form
191,615.98/264,438.21 = 106,733.08/x - Step 3: Cross multiply
191,615.98x = 264,438.21 × 106,733.08 - Step 4: Simplify right side
191,615.98x = 28,224,304,622.99 - Step 5: Solve for x
x = 28,224,304,622.99/191,615.98 - Step 6: Final answer
x = 147,296.19
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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.