Finding the Fourth Proportional to 317,106.36, 437,603.43 and 173,866.05
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Solution
The fourth proportional to 317,106.36, 437,603.43 and 173,866.05 is: 239,933.31
Step by Step Solution
- Step 1: Write the proportion equation
317,106.36 : 437,603.43 = 173,866.05 : x - Step 2: Convert to fraction form
317,106.36/437,603.43 = 173,866.05/x - Step 3: Cross multiply
317,106.36x = 437,603.43 × 173,866.05 - Step 4: Simplify right side
317,106.36x = 76,084,379,840.55 - Step 5: Solve for x
x = 76,084,379,840.55/317,106.36 - Step 6: Final answer
x = 239,933.31
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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.