Finding the Fourth Proportional to 398,657.36, 597,309.36 and 240,553.60
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Solution
The fourth proportional to 398,657.36, 597,309.36 and 240,553.60 is: 360,422.08
Step by Step Solution
- Step 1: Write the proportion equation
398,657.36 : 597,309.36 = 240,553.60 : x - Step 2: Convert to fraction form
398,657.36/597,309.36 = 240,553.60/x - Step 3: Cross multiply
398,657.36x = 597,309.36 × 240,553.60 - Step 4: Simplify right side
398,657.36x = 143,684,916,861.70 - Step 5: Solve for x
x = 143,684,916,861.70/398,657.36 - Step 6: Final answer
x = 360,422.08
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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.