Finding the Fourth Proportional to 317,209.62, 437,748.39 and 181,285.74
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Solution
The fourth proportional to 317,209.62, 437,748.39 and 181,285.74 is: 250,173.82
Step by Step Solution
- Step 1: Write the proportion equation
317,209.62 : 437,748.39 = 181,285.74 : x - Step 2: Convert to fraction form
317,209.62/437,748.39 = 181,285.74/x - Step 3: Cross multiply
317,209.62x = 437,748.39 × 181,285.74 - Step 4: Simplify right side
317,209.62x = 79,357,540,814.96 - Step 5: Solve for x
x = 79,357,540,814.96/317,209.62 - Step 6: Final answer
x = 250,173.82
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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.