Finding the Fourth Proportional to 224,285.36, 309,509.91 and 122,311.62
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Solution
The fourth proportional to 224,285.36, 309,509.91 and 122,311.62 is: 168,787.92
Step by Step Solution
- Step 1: Write the proportion equation
224,285.36 : 309,509.91 = 122,311.62 : x - Step 2: Convert to fraction form
224,285.36/309,509.91 = 122,311.62/x - Step 3: Cross multiply
224,285.36x = 309,509.91 × 122,311.62 - Step 4: Simplify right side
224,285.36x = 37,856,658,498.15 - Step 5: Solve for x
x = 37,856,658,498.15/224,285.36 - Step 6: Final answer
x = 168,787.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.