Finding the Fourth Proportional to 355,041.19, 489,960.18 and 202,071.88
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Solution
The fourth proportional to 355,041.19, 489,960.18 and 202,071.88 is: 278,861.09
Step by Step Solution
- Step 1: Write the proportion equation
355,041.19 : 489,960.18 = 202,071.88 : x - Step 2: Convert to fraction form
355,041.19/489,960.18 = 202,071.88/x - Step 3: Cross multiply
355,041.19x = 489,960.18 × 202,071.88 - Step 4: Simplify right side
355,041.19x = 99,007,171,237.58 - Step 5: Solve for x
x = 99,007,171,237.58/355,041.19 - Step 6: Final answer
x = 278,861.09
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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.