Finding the Fourth Proportional to 194,821.10, 292,030.05 and 105,886.70
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Solution
The fourth proportional to 194,821.10, 292,030.05 and 105,886.70 is: 158,720.48
Step by Step Solution
- Step 1: Write the proportion equation
194,821.10 : 292,030.05 = 105,886.70 : x - Step 2: Convert to fraction form
194,821.10/292,030.05 = 105,886.70/x - Step 3: Cross multiply
194,821.10x = 292,030.05 × 105,886.70 - Step 4: Simplify right side
194,821.10x = 30,922,098,295.34 - Step 5: Solve for x
x = 30,922,098,295.34/194,821.10 - Step 6: Final answer
x = 158,720.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.