Finding the Fourth Proportional to 449,875.80, 674,481.12 and 212,941.08
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Solution
The fourth proportional to 449,875.80, 674,481.12 and 212,941.08 is: 319,254.20
Step by Step Solution
- Step 1: Write the proportion equation
449,875.80 : 674,481.12 = 212,941.08 : x - Step 2: Convert to fraction form
449,875.80/674,481.12 = 212,941.08/x - Step 3: Cross multiply
449,875.80x = 674,481.12 × 212,941.08 - Step 4: Simplify right side
449,875.80x = 143,624,738,132.41 - Step 5: Solve for x
x = 143,624,738,132.41/449,875.80 - Step 6: Final answer
x = 319,254.20
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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.