Finding the Fourth Proportional to 213,202.44, 319,696.62 and 70,997.63
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Solution
The fourth proportional to 213,202.44, 319,696.62 and 70,997.63 is: 106,460.79
Step by Step Solution
- Step 1: Write the proportion equation
213,202.44 : 319,696.62 = 70,997.63 : x - Step 2: Convert to fraction form
213,202.44/319,696.62 = 70,997.63/x - Step 3: Cross multiply
213,202.44x = 319,696.62 × 70,997.63 - Step 4: Simplify right side
213,202.44x = 22,697,700,740.53 - Step 5: Solve for x
x = 22,697,700,740.53/213,202.44 - Step 6: Final answer
x = 106,460.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.