Finding the Fourth Proportional to 369,530.76, 509,952.74 and 199,764.84
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Solution
The fourth proportional to 369,530.76, 509,952.74 and 199,764.84 is: 275,675.64
Step by Step Solution
- Step 1: Write the proportion equation
369,530.76 : 509,952.74 = 199,764.84 : x - Step 2: Convert to fraction form
369,530.76/509,952.74 = 199,764.84/x - Step 3: Cross multiply
369,530.76x = 509,952.74 × 199,764.84 - Step 4: Simplify right side
369,530.76x = 101,870,627,513.66 - Step 5: Solve for x
x = 101,870,627,513.66/369,530.76 - Step 6: Final answer
x = 275,675.64
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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.