Finding the Fourth Proportional to 151,835.12, 226,193.80 and 145,011.68
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Solution
The fourth proportional to 151,835.12, 226,193.80 and 145,011.68 is: 216,028.70
Step by Step Solution
- Step 1: Write the proportion equation
151,835.12 : 226,193.80 = 145,011.68 : x - Step 2: Convert to fraction form
151,835.12/226,193.80 = 145,011.68/x - Step 3: Cross multiply
151,835.12x = 226,193.80 × 145,011.68 - Step 4: Simplify right side
151,835.12x = 32,800,742,943.58 - Step 5: Solve for x
x = 32,800,742,943.58/151,835.12 - Step 6: Final answer
x = 216,028.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.