Finding the Fourth Proportional to 317,240.12, 437,803.62 and 174,006.20
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Solution
The fourth proportional to 317,240.12, 437,803.62 and 174,006.20 is: 240,135.28
Step by Step Solution
- Step 1: Write the proportion equation
317,240.12 : 437,803.62 = 174,006.20 : x - Step 2: Convert to fraction form
317,240.12/437,803.62 = 174,006.20/x - Step 3: Cross multiply
317,240.12x = 437,803.62 × 174,006.20 - Step 4: Simplify right side
317,240.12x = 76,180,544,262.44 - Step 5: Solve for x
x = 76,180,544,262.44/317,240.12 - Step 6: Final answer
x = 240,135.28
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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.