Finding the Fourth Proportional to 225,624.84, 338,438.04 and 57,145.08
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Solution
The fourth proportional to 225,624.84, 338,438.04 and 57,145.08 is: 85,717.82
Step by Step Solution
- Step 1: Write the proportion equation
225,624.84 : 338,438.04 = 57,145.08 : x - Step 2: Convert to fraction form
225,624.84/338,438.04 = 57,145.08/x - Step 3: Cross multiply
225,624.84x = 338,438.04 × 57,145.08 - Step 4: Simplify right side
225,624.84x = 19,340,068,870.84 - Step 5: Solve for x
x = 19,340,068,870.84/225,624.84 - Step 6: Final answer
x = 85,717.82
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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.