Finding the Fourth Proportional to 456,199.80, 684,299.70 and 203,479.80
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Solution
The fourth proportional to 456,199.80, 684,299.70 and 203,479.80 is: 305,219.70
Step by Step Solution
- Step 1: Write the proportion equation
456,199.80 : 684,299.70 = 203,479.80 : x - Step 2: Convert to fraction form
456,199.80/684,299.70 = 203,479.80/x - Step 3: Cross multiply
456,199.80x = 684,299.70 × 203,479.80 - Step 4: Simplify right side
456,199.80x = 139,241,166,096.06 - Step 5: Solve for x
x = 139,241,166,096.06/456,199.80 - Step 6: Final answer
x = 305,219.70
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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.