Finding the Fourth Proportional to 416,220.80, 622,948.80 and 291,804.80
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Solution
The fourth proportional to 416,220.80, 622,948.80 and 291,804.80 is: 436,738.02
Step by Step Solution
- Step 1: Write the proportion equation
416,220.80 : 622,948.80 = 291,804.80 : x - Step 2: Convert to fraction form
416,220.80/622,948.80 = 291,804.80/x - Step 3: Cross multiply
416,220.80x = 622,948.80 × 291,804.80 - Step 4: Simplify right side
416,220.80x = 181,779,449,994.24 - Step 5: Solve for x
x = 181,779,449,994.24/416,220.80 - Step 6: Final answer
x = 436,738.02
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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.