Finding the Fourth Proportional to 490,192.88, 735,340.45 and 135,206.96
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Solution
The fourth proportional to 490,192.88, 735,340.45 and 135,206.96 is: 202,824.54
Step by Step Solution
- Step 1: Write the proportion equation
490,192.88 : 735,340.45 = 135,206.96 : x - Step 2: Convert to fraction form
490,192.88/735,340.45 = 135,206.96/x - Step 3: Cross multiply
490,192.88x = 735,340.45 × 135,206.96 - Step 4: Simplify right side
490,192.88x = 99,423,146,809.53 - Step 5: Solve for x
x = 99,423,146,809.53/490,192.88 - Step 6: Final answer
x = 202,824.54
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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.