Finding the Fourth Proportional to 475,362.87, 713,044.09 and 115,531.81
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Solution
The fourth proportional to 475,362.87, 713,044.09 and 115,531.81 is: 173,297.66
Step by Step Solution
- Step 1: Write the proportion equation
475,362.87 : 713,044.09 = 115,531.81 : x - Step 2: Convert to fraction form
475,362.87/713,044.09 = 115,531.81/x - Step 3: Cross multiply
475,362.87x = 713,044.09 × 115,531.81 - Step 4: Simplify right side
475,362.87x = 82,379,274,327.50 - Step 5: Solve for x
x = 82,379,274,327.50/475,362.87 - Step 6: Final answer
x = 173,297.66
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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.