Finding the Fourth Proportional to 303,468.08, 455,201.96 and 78,809.68
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Solution
The fourth proportional to 303,468.08, 455,201.96 and 78,809.68 is: 118,214.48
Step by Step Solution
- Step 1: Write the proportion equation
303,468.08 : 455,201.96 = 78,809.68 : x - Step 2: Convert to fraction form
303,468.08/455,201.96 = 78,809.68/x - Step 3: Cross multiply
303,468.08x = 455,201.96 × 78,809.68 - Step 4: Simplify right side
303,468.08x = 35,874,320,802.97 - Step 5: Solve for x
x = 35,874,320,802.97/303,468.08 - Step 6: Final answer
x = 118,214.48
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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.