Finding the Fourth Proportional to 317,083.06, 437,574.52 and 173,840.10
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Solution
The fourth proportional to 317,083.06, 437,574.52 and 173,840.10 is: 239,899.28
Step by Step Solution
- Step 1: Write the proportion equation
317,083.06 : 437,574.52 = 173,840.10 : x - Step 2: Convert to fraction form
317,083.06/437,574.52 = 173,840.10/x - Step 3: Cross multiply
317,083.06x = 437,574.52 × 173,840.10 - Step 4: Simplify right side
317,083.06x = 76,067,998,314.25 - Step 5: Solve for x
x = 76,067,998,314.25/317,083.06 - Step 6: Final answer
x = 239,899.28
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1.5x scale
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.