Finding the Fourth Proportional to 317,257.62, 437,827.77 and 174,023.70
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Solution
The fourth proportional to 317,257.62, 437,827.77 and 174,023.70 is: 240,159.43
Step by Step Solution
- Step 1: Write the proportion equation
317,257.62 : 437,827.77 = 174,023.70 : x - Step 2: Convert to fraction form
317,257.62/437,827.77 = 174,023.70/x - Step 3: Cross multiply
317,257.62x = 437,827.77 × 174,023.70 - Step 4: Simplify right side
317,257.62x = 76,192,408,498.15 - Step 5: Solve for x
x = 76,192,408,498.15/317,257.62 - Step 6: Final answer
x = 240,159.43
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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.