Finding the Fourth Proportional to 247,218.19, 369,811.68 and 197,395.60
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Solution
The fourth proportional to 247,218.19, 369,811.68 and 197,395.60 is: 295,282.47
Step by Step Solution
- Step 1: Write the proportion equation
247,218.19 : 369,811.68 = 197,395.60 : x - Step 2: Convert to fraction form
247,218.19/369,811.68 = 197,395.60/x - Step 3: Cross multiply
247,218.19x = 369,811.68 × 197,395.60 - Step 4: Simplify right side
247,218.19x = 72,999,198,460.61 - Step 5: Solve for x
x = 72,999,198,460.61/247,218.19 - Step 6: Final answer
x = 295,282.47
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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.