Finding the Fourth Proportional to 304,630.16, 420,436.05 and 189,927.41
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Solution
The fourth proportional to 304,630.16, 420,436.05 and 189,927.41 is: 262,128.77
Step by Step Solution
- Step 1: Write the proportion equation
304,630.16 : 420,436.05 = 189,927.41 : x - Step 2: Convert to fraction form
304,630.16/420,436.05 = 189,927.41/x - Step 3: Cross multiply
304,630.16x = 420,436.05 × 189,927.41 - Step 4: Simplify right side
304,630.16x = 79,852,330,047.13 - Step 5: Solve for x
x = 79,852,330,047.13/304,630.16 - Step 6: Final answer
x = 262,128.77
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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.