Finding the Fourth Proportional to 199,154.76, 274,707.97 and 118,522.09
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Solution
The fourth proportional to 199,154.76, 274,707.97 and 118,522.09 is: 163,485.74
Step by Step Solution
- Step 1: Write the proportion equation
199,154.76 : 274,707.97 = 118,522.09 : x - Step 2: Convert to fraction form
199,154.76/274,707.97 = 118,522.09/x - Step 3: Cross multiply
199,154.76x = 274,707.97 × 118,522.09 - Step 4: Simplify right side
199,154.76x = 32,558,962,744.06 - Step 5: Solve for x
x = 32,558,962,744.06/199,154.76 - Step 6: Final answer
x = 163,485.74
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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.