Finding the Fourth Proportional to 211,327.41, 291,638.99 and 115,834.11
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Solution
The fourth proportional to 211,327.41, 291,638.99 and 115,834.11 is: 159,855.00
Step by Step Solution
- Step 1: Write the proportion equation
211,327.41 : 291,638.99 = 115,834.11 : x - Step 2: Convert to fraction form
211,327.41/291,638.99 = 115,834.11/x - Step 3: Cross multiply
211,327.41x = 291,638.99 × 115,834.11 - Step 4: Simplify right side
211,327.41x = 33,781,742,268.78 - Step 5: Solve for x
x = 33,781,742,268.78/211,327.41 - Step 6: Final answer
x = 159,855.00
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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.