Finding the Fourth Proportional to 170,800.84, 235,688.58 and 117,131.88
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Solution
The fourth proportional to 170,800.84, 235,688.58 and 117,131.88 is: 161,630.62
Step by Step Solution
- Step 1: Write the proportion equation
170,800.84 : 235,688.58 = 117,131.88 : x - Step 2: Convert to fraction form
170,800.84/235,688.58 = 117,131.88/x - Step 3: Cross multiply
170,800.84x = 235,688.58 × 117,131.88 - Step 4: Simplify right side
170,800.84x = 27,606,646,469.93 - Step 5: Solve for x
x = 27,606,646,469.93/170,800.84 - Step 6: Final answer
x = 161,630.62
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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.