Finding the Fourth Proportional to 550,035.20, 759,102.36 and 308,318.24
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Solution
The fourth proportional to 550,035.20, 759,102.36 and 308,318.24 is: 425,509.32
Step by Step Solution
- Step 1: Write the proportion equation
550,035.20 : 759,102.36 = 308,318.24 : x - Step 2: Convert to fraction form
550,035.20/759,102.36 = 308,318.24/x - Step 3: Cross multiply
550,035.20x = 759,102.36 × 308,318.24 - Step 4: Simplify right side
550,035.20x = 234,045,103,615.05 - Step 5: Solve for x
x = 234,045,103,615.05/550,035.20 - Step 6: Final answer
x = 425,509.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.