Finding the Fourth Proportional to 452,905.80, 679,358.70 and 186,529.20
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Solution
The fourth proportional to 452,905.80, 679,358.70 and 186,529.20 is: 279,793.80
Step by Step Solution
- Step 1: Write the proportion equation
452,905.80 : 679,358.70 = 186,529.20 : x - Step 2: Convert to fraction form
452,905.80/679,358.70 = 186,529.20/x - Step 3: Cross multiply
452,905.80x = 679,358.70 × 186,529.20 - Step 4: Simplify right side
452,905.80x = 126,720,234,824.04 - Step 5: Solve for x
x = 126,720,234,824.04/452,905.80 - Step 6: Final answer
x = 279,793.80
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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.