Finding the Fourth Proportional to 490,025.97, 735,089.81 and 135,040.05
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Solution
The fourth proportional to 490,025.97, 735,089.81 and 135,040.05 is: 202,574.09
Step by Step Solution
- Step 1: Write the proportion equation
490,025.97 : 735,089.81 = 135,040.05 : x - Step 2: Convert to fraction form
490,025.97/735,089.81 = 135,040.05/x - Step 3: Cross multiply
490,025.97x = 735,089.81 × 135,040.05 - Step 4: Simplify right side
490,025.97x = 99,266,564,021.69 - Step 5: Solve for x
x = 99,266,564,021.69/490,025.97 - Step 6: Final answer
x = 202,574.09
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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.