Finding the Fourth Proportional to 319,845.53, 479,740.44 and 130,325.87
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Solution
The fourth proportional to 319,845.53, 479,740.44 and 130,325.87 is: 195,477.46
Step by Step Solution
- Step 1: Write the proportion equation
319,845.53 : 479,740.44 = 130,325.87 : x - Step 2: Convert to fraction form
319,845.53/479,740.44 = 130,325.87/x - Step 3: Cross multiply
319,845.53x = 479,740.44 × 130,325.87 - Step 4: Simplify right side
319,845.53x = 62,522,590,217.18 - Step 5: Solve for x
x = 62,522,590,217.18/319,845.53 - Step 6: Final answer
x = 195,477.46
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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.