Finding the Fourth Proportional to 317,866.08, 438,655.37 and 174,635.35
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Solution
The fourth proportional to 317,866.08, 438,655.37 and 174,635.35 is: 240,996.88
Step by Step Solution
- Step 1: Write the proportion equation
317,866.08 : 438,655.37 = 174,635.35 : x - Step 2: Convert to fraction form
317,866.08/438,655.37 = 174,635.35/x - Step 3: Cross multiply
317,866.08x = 438,655.37 × 174,635.35 - Step 4: Simplify right side
317,866.08x = 76,604,732,099.51 - Step 5: Solve for x
x = 76,604,732,099.51/317,866.08 - Step 6: Final answer
x = 240,996.88
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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.