Finding the Fourth Proportional to 317,222.84, 437,767.80 and 173,985.68
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Solution
The fourth proportional to 317,222.84, 437,767.80 and 173,985.68 is: 240,100.39
Step by Step Solution
- Step 1: Write the proportion equation
317,222.84 : 437,767.80 = 173,985.68 : x - Step 2: Convert to fraction form
317,222.84/437,767.80 = 173,985.68/x - Step 3: Cross multiply
317,222.84x = 437,767.80 × 173,985.68 - Step 4: Simplify right side
317,222.84x = 76,165,328,365.10 - Step 5: Solve for x
x = 76,165,328,365.10/317,222.84 - Step 6: Final answer
x = 240,100.39
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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.