Finding the Fourth Proportional to 218,954.76, 302,157.36 and 118,352.76
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Solution
The fourth proportional to 218,954.76, 302,157.36 and 118,352.76 is: 163,326.70
Step by Step Solution
- Step 1: Write the proportion equation
218,954.76 : 302,157.36 = 118,352.76 : x - Step 2: Convert to fraction form
218,954.76/302,157.36 = 118,352.76/x - Step 3: Cross multiply
218,954.76x = 302,157.36 × 118,352.76 - Step 4: Simplify right side
218,954.76x = 35,761,157,510.31 - Step 5: Solve for x
x = 35,761,157,510.31/218,954.76 - Step 6: Final answer
x = 163,326.70
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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.