Finding the Fourth Proportional to 211,471.94, 317,107.47 and 122,752.64
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Solution
The fourth proportional to 211,471.94, 317,107.47 and 122,752.64 is: 184,070.66
Step by Step Solution
- Step 1: Write the proportion equation
211,471.94 : 317,107.47 = 122,752.64 : x - Step 2: Convert to fraction form
211,471.94/317,107.47 = 122,752.64/x - Step 3: Cross multiply
211,471.94x = 317,107.47 × 122,752.64 - Step 4: Simplify right side
211,471.94x = 38,925,779,106.22 - Step 5: Solve for x
x = 38,925,779,106.22/211,471.94 - Step 6: Final answer
x = 184,070.66
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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.