Finding the Fourth Proportional to 369,525.81, 509,946.93 and 199,759.94
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Solution
The fourth proportional to 369,525.81, 509,946.93 and 199,759.94 is: 275,669.42
Step by Step Solution
- Step 1: Write the proportion equation
369,525.81 : 509,946.93 = 199,759.94 : x - Step 2: Convert to fraction form
369,525.81/509,946.93 = 199,759.94/x - Step 3: Cross multiply
369,525.81x = 509,946.93 × 199,759.94 - Step 4: Simplify right side
369,525.81x = 101,866,965,590.25 - Step 5: Solve for x
x = 101,866,965,590.25/369,525.81 - Step 6: Final answer
x = 275,669.42
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1.5x scale
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.