Finding the Fourth Proportional to 317,770.56, 438,526.98 and 174,533.94
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Solution
The fourth proportional to 317,770.56, 438,526.98 and 174,533.94 is: 240,858.82
Step by Step Solution
- Step 1: Write the proportion equation
317,770.56 : 438,526.98 = 174,533.94 : x - Step 2: Convert to fraction form
317,770.56/438,526.98 = 174,533.94/x - Step 3: Cross multiply
317,770.56x = 438,526.98 × 174,533.94 - Step 4: Simplify right side
317,770.56x = 76,537,841,615.70 - Step 5: Solve for x
x = 76,537,841,615.70/317,770.56 - Step 6: Final answer
x = 240,858.82
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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.