Finding the Fourth Proportional to 490,574.24, 735,729.52 and 135,504.80
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Solution
The fourth proportional to 490,574.24, 735,729.52 and 135,504.80 is: 203,220.78
Step by Step Solution
- Step 1: Write the proportion equation
490,574.24 : 735,729.52 = 135,504.80 : x - Step 2: Convert to fraction form
490,574.24/735,729.52 = 135,504.80/x - Step 3: Cross multiply
490,574.24x = 735,729.52 × 135,504.80 - Step 4: Simplify right side
490,574.24x = 99,694,881,461.70 - Step 5: Solve for x
x = 99,694,881,461.70/490,574.24 - Step 6: Final answer
x = 203,220.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.