Finding the Fourth Proportional to 832,412.72, 1,248,619.68 and 201,327.14
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Solution
The fourth proportional to 832,412.72, 1,248,619.68 and 201,327.14 is: 301,990.85
Step by Step Solution
- Step 1: Write the proportion equation
832,412.72 : 1,248,619.68 = 201,327.14 : x - Step 2: Convert to fraction form
832,412.72/1,248,619.68 = 201,327.14/x - Step 3: Cross multiply
832,412.72x = 1,248,619.68 × 201,327.14 - Step 4: Simplify right side
832,412.72x = 251,381,022,879.02 - Step 5: Solve for x
x = 251,381,022,879.02/832,412.72 - Step 6: Final answer
x = 301,990.85
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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.