Finding the Fourth Proportional to 317,435.94, 438,067.05 and 174,209.31
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Solution
The fourth proportional to 317,435.94, 438,067.05 and 174,209.31 is: 240,411.84
Step by Step Solution
- Step 1: Write the proportion equation
317,435.94 : 438,067.05 = 174,209.31 : x - Step 2: Convert to fraction form
317,435.94/438,067.05 = 174,209.31/x - Step 3: Cross multiply
317,435.94x = 438,067.05 × 174,209.31 - Step 4: Simplify right side
317,435.94x = 76,315,358,514.24 - Step 5: Solve for x
x = 76,315,358,514.24/317,435.94 - Step 6: Final answer
x = 240,411.84
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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.