Finding the Fourth Proportional to 317,223.14, 437,779.08 and 173,983.75
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Solution
The fourth proportional to 317,223.14, 437,779.08 and 173,983.75 is: 240,103.69
Step by Step Solution
- Step 1: Write the proportion equation
317,223.14 : 437,779.08 = 173,983.75 : x - Step 2: Convert to fraction form
317,223.14/437,779.08 = 173,983.75/x - Step 3: Cross multiply
317,223.14x = 437,779.08 × 173,983.75 - Step 4: Simplify right side
317,223.14x = 76,166,444,915.50 - Step 5: Solve for x
x = 76,166,444,915.50/317,223.14 - Step 6: Final answer
x = 240,103.69
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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.