Finding the Fourth Proportional to 499,893.44, 749,842.08 and 120,813.54
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Solution
The fourth proportional to 499,893.44, 749,842.08 and 120,813.54 is: 181,220.78
Step by Step Solution
- Step 1: Write the proportion equation
499,893.44 : 749,842.08 = 120,813.54 : x - Step 2: Convert to fraction form
499,893.44/749,842.08 = 120,813.54/x - Step 3: Cross multiply
499,893.44x = 749,842.08 × 120,813.54 - Step 4: Simplify right side
499,893.44x = 90,591,076,125.76 - Step 5: Solve for x
x = 90,591,076,125.76/499,893.44 - Step 6: Final answer
x = 181,220.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.