Finding the Fourth Proportional to 413,730.56, 619,371.12 and 255,450.08
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Solution
The fourth proportional to 413,730.56, 619,371.12 and 255,450.08 is: 382,418.94
Step by Step Solution
- Step 1: Write the proportion equation
413,730.56 : 619,371.12 = 255,450.08 : x - Step 2: Convert to fraction form
413,730.56/619,371.12 = 255,450.08/x - Step 3: Cross multiply
413,730.56x = 619,371.12 × 255,450.08 - Step 4: Simplify right side
413,730.56x = 158,218,402,153.69 - Step 5: Solve for x
x = 158,218,402,153.69/413,730.56 - Step 6: Final answer
x = 382,418.94
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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.