Finding the Fourth Proportional to 345,792.18, 518,563.50 and 146,127.99
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Solution
The fourth proportional to 345,792.18, 518,563.50 and 146,127.99 is: 219,139.26
Step by Step Solution
- Step 1: Write the proportion equation
345,792.18 : 518,563.50 = 146,127.99 : x - Step 2: Convert to fraction form
345,792.18/518,563.50 = 146,127.99/x - Step 3: Cross multiply
345,792.18x = 518,563.50 × 146,127.99 - Step 4: Simplify right side
345,792.18x = 75,776,641,942.37 - Step 5: Solve for x
x = 75,776,641,942.37/345,792.18 - Step 6: Final answer
x = 219,139.26
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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.