Finding the Fourth Proportional to 146,644.08, 219,966.04 and 53,149.68
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Solution
The fourth proportional to 146,644.08, 219,966.04 and 53,149.68 is: 79,724.49
Step by Step Solution
- Step 1: Write the proportion equation
146,644.08 : 219,966.04 = 53,149.68 : x - Step 2: Convert to fraction form
146,644.08/219,966.04 = 53,149.68/x - Step 3: Cross multiply
146,644.08x = 219,966.04 × 53,149.68 - Step 4: Simplify right side
146,644.08x = 11,691,124,636.87 - Step 5: Solve for x
x = 11,691,124,636.87/146,644.08 - Step 6: Final answer
x = 79,724.49
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1.5x scale
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.