Finding the Fourth Proportional to 345,202.51, 517,630.62 and 201,154.99
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Solution
The fourth proportional to 345,202.51, 517,630.62 and 201,154.99 is: 301,631.59
Step by Step Solution
- Step 1: Write the proportion equation
345,202.51 : 517,630.62 = 201,154.99 : x - Step 2: Convert to fraction form
345,202.51/517,630.62 = 201,154.99/x - Step 3: Cross multiply
345,202.51x = 517,630.62 × 201,154.99 - Step 4: Simplify right side
345,202.51x = 104,123,982,189.79 - Step 5: Solve for x
x = 104,123,982,189.79/345,202.51 - Step 6: Final answer
x = 301,631.59
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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.