Finding the Fourth Proportional to 450,803.48, 622,109.06 and 281,038.28
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Solution
The fourth proportional to 450,803.48, 622,109.06 and 281,038.28 is: 387,832.99
Step by Step Solution
- Step 1: Write the proportion equation
450,803.48 : 622,109.06 = 281,038.28 : x - Step 2: Convert to fraction form
450,803.48/622,109.06 = 281,038.28/x - Step 3: Cross multiply
450,803.48x = 622,109.06 × 281,038.28 - Step 4: Simplify right side
450,803.48x = 174,836,460,194.82 - Step 5: Solve for x
x = 174,836,460,194.82/450,803.48 - Step 6: Final answer
x = 387,832.99
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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.