Finding the Fourth Proportional to 501,121.26, 751,807.31 and 146,135.31
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Solution
The fourth proportional to 501,121.26, 751,807.31 and 146,135.31 is: 219,239.54
Step by Step Solution
- Step 1: Write the proportion equation
501,121.26 : 751,807.31 = 146,135.31 : x - Step 2: Convert to fraction form
501,121.26/751,807.31 = 146,135.31/x - Step 3: Cross multiply
501,121.26x = 751,807.31 × 146,135.31 - Step 4: Simplify right side
501,121.26x = 109,865,594,307.12 - Step 5: Solve for x
x = 109,865,594,307.12/501,121.26 - Step 6: Final answer
x = 219,239.54
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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.