Finding the Fourth Proportional to 490,807.73, 736,190.18 and 153,840.70
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Solution
The fourth proportional to 490,807.73, 736,190.18 and 153,840.70 is: 230,754.33
Step by Step Solution
- Step 1: Write the proportion equation
490,807.73 : 736,190.18 = 153,840.70 : x - Step 2: Convert to fraction form
490,807.73/736,190.18 = 153,840.70/x - Step 3: Cross multiply
490,807.73x = 736,190.18 × 153,840.70 - Step 4: Simplify right side
490,807.73x = 113,256,008,943.38 - Step 5: Solve for x
x = 113,256,008,943.38/490,807.73 - Step 6: Final answer
x = 230,754.33
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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.