Finding the Fourth Proportional to 369,772.57, 554,285.16 and 145,044.99
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Solution
The fourth proportional to 369,772.57, 554,285.16 and 145,044.99 is: 217,420.90
Step by Step Solution
- Step 1: Write the proportion equation
369,772.57 : 554,285.16 = 145,044.99 : x - Step 2: Convert to fraction form
369,772.57/554,285.16 = 145,044.99/x - Step 3: Cross multiply
369,772.57x = 554,285.16 × 145,044.99 - Step 4: Simplify right side
369,772.57x = 80,396,285,489.35 - Step 5: Solve for x
x = 80,396,285,489.35/369,772.57 - Step 6: Final answer
x = 217,420.90
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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.