Finding the Fourth Proportional to 369,509.98, 509,924.10 and 199,744.09
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Solution
The fourth proportional to 369,509.98, 509,924.10 and 199,744.09 is: 275,647.02
Step by Step Solution
- Step 1: Write the proportion equation
369,509.98 : 509,924.10 = 199,744.09 : x - Step 2: Convert to fraction form
369,509.98/509,924.10 = 199,744.09/x - Step 3: Cross multiply
369,509.98x = 509,924.10 × 199,744.09 - Step 4: Simplify right side
369,509.98x = 101,854,325,323.57 - Step 5: Solve for x
x = 101,854,325,323.57/369,509.98 - Step 6: Final answer
x = 275,647.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.