Finding the Fourth Proportional to 317,239.68, 437,818.85 and 174,027.63
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Solution
The fourth proportional to 317,239.68, 437,818.85 and 174,027.63 is: 240,173.54
Step by Step Solution
- Step 1: Write the proportion equation
317,239.68 : 437,818.85 = 174,027.63 : x - Step 2: Convert to fraction form
317,239.68/437,818.85 = 174,027.63/x - Step 3: Cross multiply
317,239.68x = 437,818.85 × 174,027.63 - Step 4: Simplify right side
317,239.68x = 76,192,576,834.83 - Step 5: Solve for x
x = 76,192,576,834.83/317,239.68 - Step 6: Final answer
x = 240,173.54
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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.