Finding the Fourth Proportional to 527,433.05, 791,171.41 and 153,456.05
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Solution
The fourth proportional to 527,433.05, 791,171.41 and 153,456.05 is: 230,190.43
Step by Step Solution
- Step 1: Write the proportion equation
527,433.05 : 791,171.41 = 153,456.05 : x - Step 2: Convert to fraction form
527,433.05/791,171.41 = 153,456.05/x - Step 3: Cross multiply
527,433.05x = 791,171.41 × 153,456.05 - Step 4: Simplify right side
527,433.05x = 121,410,039,451.53 - Step 5: Solve for x
x = 121,410,039,451.53/527,433.05 - Step 6: Final answer
x = 230,190.43
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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.