Finding the Fourth Proportional to 225,614.84, 338,423.06 and 57,135.12
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Solution
The fourth proportional to 225,614.84, 338,423.06 and 57,135.12 is: 85,702.88
Step by Step Solution
- Step 1: Write the proportion equation
225,614.84 : 338,423.06 = 57,135.12 : x - Step 2: Convert to fraction form
225,614.84/338,423.06 = 57,135.12/x - Step 3: Cross multiply
225,614.84x = 338,423.06 × 57,135.12 - Step 4: Simplify right side
225,614.84x = 19,335,842,143.87 - Step 5: Solve for x
x = 19,335,842,143.87/225,614.84 - Step 6: Final answer
x = 85,702.88
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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.