Finding the Fourth Proportional to 194,859.40, 292,289.10 and 155,201.80
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Solution
The fourth proportional to 194,859.40, 292,289.10 and 155,201.80 is: 232,802.70
Step by Step Solution
- Step 1: Write the proportion equation
194,859.40 : 292,289.10 = 155,201.80 : x - Step 2: Convert to fraction form
194,859.40/292,289.10 = 155,201.80/x - Step 3: Cross multiply
194,859.40x = 292,289.10 × 155,201.80 - Step 4: Simplify right side
194,859.40x = 45,363,794,440.38 - Step 5: Solve for x
x = 45,363,794,440.38/194,859.40 - Step 6: Final answer
x = 232,802.70
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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.