Finding the Fourth Proportional to 329,027.20, 493,540.80 and 214,865.80
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Solution
The fourth proportional to 329,027.20, 493,540.80 and 214,865.80 is: 322,298.70
Step by Step Solution
- Step 1: Write the proportion equation
329,027.20 : 493,540.80 = 214,865.80 : x - Step 2: Convert to fraction form
329,027.20/493,540.80 = 214,865.80/x - Step 3: Cross multiply
329,027.20x = 493,540.80 × 214,865.80 - Step 4: Simplify right side
329,027.20x = 106,045,038,824.64 - Step 5: Solve for x
x = 106,045,038,824.64/329,027.20 - Step 6: Final answer
x = 322,298.70
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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.