Finding the Fourth Proportional to 216,057.70, 298,159.64 and 119,261.58
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Solution
The fourth proportional to 216,057.70, 298,159.64 and 119,261.58 is: 164,580.99
Step by Step Solution
- Step 1: Write the proportion equation
216,057.70 : 298,159.64 = 119,261.58 : x - Step 2: Convert to fraction form
216,057.70/298,159.64 = 119,261.58/x - Step 3: Cross multiply
216,057.70x = 298,159.64 × 119,261.58 - Step 4: Simplify right side
216,057.70x = 35,558,989,758.63 - Step 5: Solve for x
x = 35,558,989,758.63/216,057.70 - Step 6: Final answer
x = 164,580.99
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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.