Finding the Fourth Proportional to 202,292.70, 302,855.85 and 135,807.90
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Solution
The fourth proportional to 202,292.70, 302,855.85 and 135,807.90 is: 203,320.32
Step by Step Solution
- Step 1: Write the proportion equation
202,292.70 : 302,855.85 = 135,807.90 : x - Step 2: Convert to fraction form
202,292.70/302,855.85 = 135,807.90/x - Step 3: Cross multiply
202,292.70x = 302,855.85 × 135,807.90 - Step 4: Simplify right side
202,292.70x = 41,130,216,991.22 - Step 5: Solve for x
x = 41,130,216,991.22/202,292.70 - Step 6: Final answer
x = 203,320.32
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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.