Finding the Fourth Proportional to 324,000.20, 486,518.70 and 219,283.40
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Solution
The fourth proportional to 324,000.20, 486,518.70 and 219,283.40 is: 329,275.95
Step by Step Solution
- Step 1: Write the proportion equation
324,000.20 : 486,518.70 = 219,283.40 : x - Step 2: Convert to fraction form
324,000.20/486,518.70 = 219,283.40/x - Step 3: Cross multiply
324,000.20x = 486,518.70 × 219,283.40 - Step 4: Simplify right side
324,000.20x = 106,685,474,699.58 - Step 5: Solve for x
x = 106,685,474,699.58/324,000.20 - Step 6: Final answer
x = 329,275.95
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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.