Finding the Fourth Proportional to 603,378.64, 905,056.09 and 243,539.94
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Solution
The fourth proportional to 603,378.64, 905,056.09 and 243,539.94 is: 365,305.12
Step by Step Solution
- Step 1: Write the proportion equation
603,378.64 : 905,056.09 = 243,539.94 : x - Step 2: Convert to fraction form
603,378.64/905,056.09 = 243,539.94/x - Step 3: Cross multiply
603,378.64x = 905,056.09 × 243,539.94 - Step 4: Simplify right side
603,378.64x = 220,417,305,855.24 - Step 5: Solve for x
x = 220,417,305,855.24/603,378.64 - Step 6: Final answer
x = 365,305.12
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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.