Finding the Fourth Proportional to 303,657.19, 455,762.18 and 161,621.71
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Solution
The fourth proportional to 303,657.19, 455,762.18 and 161,621.71 is: 242,579.68
Step by Step Solution
- Step 1: Write the proportion equation
303,657.19 : 455,762.18 = 161,621.71 : x - Step 2: Convert to fraction form
303,657.19/455,762.18 = 161,621.71/x - Step 3: Cross multiply
303,657.19x = 455,762.18 × 161,621.71 - Step 4: Simplify right side
303,657.19x = 73,661,062,149.58 - Step 5: Solve for x
x = 73,661,062,149.58/303,657.19 - Step 6: Final answer
x = 242,579.68
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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.